UNIT 1 INSTALL YOUR OPERATING

SYSTEM (WINDOWS/LINUX)

Structure Page Nos.

1.0 Introduction 5
1.1 Objectives 6
1.2 . Windows Operating System 6
1.2.1 Features of Windows Operating System 8
1.2.2 Windows Installing Procedure (Windows XP) 8
1.2.3 Basic Utilities for Windows 20
1.3 Linux Operating System 22
1.3.1 Features of Linux Operating System 23
1.3.2 How to Install Linux Operating System (Fedora 9) 24
1.3.3 Linux Utilities and Basic Commands 34
1.4 Summary 39
1.5 Solutions/Answers 40
1.6 References/Further Readings 41

1.0 INTRODUCTION

In this unit, we are going to explore the practical process related to the loading and
installing of Proprietary and Open Source operating system, so far as the Proprietary
operating system is concerned we are going to discuss for Windows XP and on the
end of Open source operating system we are going to work with Fedora. Before
beginning the actual technicalities, Let us discuss some fundamentals of operating
": system.

Learners, after going through the study material of other courses of our eIT
programme, you might have learned that the term Software, which is broadly
classified into two categories i.e., Application Software and System Software,
however you may come across various terminologies related to the types of software
like; Shareware, Freewares, Middlewares, Device Drivers, Linkers, Loaders, parsers,
assemblers etc., but soon you will be able to identify that these are either the sub
categories of our Application Software or System Softwares. As this unit is explicitly
about the operating system, so, we will restrict our discussion to this term only. An
Operating System (commonly abbreviated to either OS or O/S) is a System Software
whose job is to act as an interface between computer hardware and user. OS is .
responsible for the management and coordi nation of activities and the sharing of the
limited resources of the computer. The operating system acts as a host for other
application software that are suppose to.run on the machine (i.e. hardware). As a host,
one of the purposes of an operating system is to handlethe details of the operation of
the hardware.
5
Practicals - Lab Manual-I This relieves application programs from having to manage these details and makes it
. easier to write applications. Almost all computers, including handheld computers,
desktop computers, supercomputers, and even video game consoles, use an operating
system of some type. Some of the oldest models may however use an embedded
operating system, that may be contained on a compact disk or other data storage
device. But why to talk of old things, computers is upcoming and dynamic field,
today's mobile phones are nothing but small computers, the O.S. which generally
works with our mobile phones is Symbian, Windows Mobile edition ofO.S. is also
there, and many more are in pipeline. The function ofO.S., here and everywhere is to
provide. help for running applications on the hardware, which may be your mobile
phone, these applications might be developed in various languages like Java, .Net
frame work is also in wide usage.

Thus, the job of an Operating system is to offer a number of services to the

application programs and users. Applications access these services through
application programming interfaces (APls) or system calls. By invoking these
interfaces, the application can request a service from the operating system, pass
parameters, and receive the results of the operation. Users may also interact with the
operating system by using command line interface (Cl.I), or using a graphical user
interface (OUI). Soon, you will come across these interfaces while going through the
text of this unit

This unit mainly focuses on the installation procedure of both Windows and Linux
(Fedora) operating systems. It also covers releases of both the operating systems
starting from 1SI version to present version and features of both Windows and Linux
operating systems.

1.1 OBJECTIVES

After going through this unit, you will be able to :

• list the features of Windows XP;
• know the installation procedure of Windows XP;
• know the Utilities of Windows XP;
• list the features of Fedora;
• know the installation procedure of Fedora; and
• know some utili tics and basic commands of Linux (Fedora).

1.2 WINDOWS OPERATING SYSTEM

The Operating System named Windows is a very successful product of Microsoft's, a

renowned company in the arena of operating systems. It has been around a long time
and is used by most people running pes (personal computers). In 1983, Microsoft
announced the development of Windows, a graphical user interface (OUI) for its own
6
operating system (MS-DOS), which was not Graphically enabled, Figure 1 shown Install Your Operating System
(WINDOWS/LINUX)
below, where c:\> is the DOS prompt, referring to directory C:\. Since then, Microsoft
has developed many versions of Windows, and the product line has changed from a
GUI product to a modem operating system. However you can switch yourself from
one mode to other i.e. GUI to Non GUI (Le. Cl.I), depending on your choice. Below
the installation process of Windows XP is given, once it is loaded, then you can click
your mouse on Start menu, go to Run, click in it a window will pop up, in the box
simply write cmd and press enter, you will see the DOS prompt as shown below
which is the CLl of the GUI i.e. Windows XP loaded by you.

Figure 1 : DOS Prompt of Windows XP

The first independent version of Microsoft Windows, version 1.0, was released in the
year 1985. Since then, Microsoft released different versions of windows (windows
2.0,3.0,3.1, windows 95, windows ~8 and windows XP) over a period ti1l2001.
Later in the year 2007, Microsoft released Windows Vista.

Windows Network Operating System

Microsoft released network operating system for servers for various network services.
Windows NT 3.1 is the first release of Microsoft's Windows NT line of server in the
year 1993. Since then, Microsoft released various versions (Windows NT 4.0,
Windows 2000, Windows server 2003 and Windows server 2008) over a period till
2008.

You might be thinking when to use the Network O.S. and when to use Other O.S. like
Windows XP, the answer is that, when you are supposed to develop software in client
server Environment or networked environment then use the Server edition of an O.S. .'.
else use other O.S., but generally professional applications are developed on NT or
server technologies.

7
Practicals - Lab Manual-I 1.2.1 Features of Windows Operating System

The following are some of the features of Windows Operating system on latest
releases:

User Interface & Device Support: Windows has Graphical User interface (GUl)
and also has Command Line Interface (CLI) for interaction and maintenance of the
system. It also has fast user switching and remote assistance feature. It provides new
and/or improved drivers and user interfaces for devices.

Accessibility and Usability: Windows has consistency between it's versions and
applications. It also has application compatibility.

Remote Desktop: Users can log into Windows remotely through the Remote
Desktop service. It is built on Terminal Services technology, and is similar to
"Remote Assistance", but allows remote users to access local resources such as'
printers.

Power Management : Windows has power management feature, It supports multiple

levels of sleep states, including critical sleep states when a mobile (or UPS connected)
computer is running out of battery power, processor power control, selective suspend
of externally attached (such as USB) devices, and turning off the power to the screen
of a laptop 'when the lid is closed. In addition, italso dims the screen when the' Japtop
has low battery power.

1.2.2 Windows Installation Procedure (Windows XP)

Windows XP is a versatile O.S. which took over various laggings in the earlier O.S.
given by Micro. oft. You will come across these differences when you work with a
machine having Windows 98 as an O.S., and then you switch over to a machine
loaded with Windows XP as the O.S. One major component which really improves
the performance and working is the availability of various device drivers which really
make device operation as simple as plug-n-play, However, there are some sacrifices
to enjoy such features, i.e., you need to have system i.e., hardware with minimum
configurations as given below in Table 1. If the minimum ystem requirement is not
fulfilled then you will not be able to install this O.S. on to your machine, ho~vev,:""
Windows 98 might serve the purpose. But to work with Windows 98 you need to
install drivers of almost all the devices you want to work with and this hinders h
plug-a-play features. So, Windows XP is in huge demand globally, let us learn how to
load it before making us to work on it.

8
 Table 1 : Minimum System Requirements for Windows XP Install Your Operating System
-- - (WINDOWSiLl UX)
System Req,:!:rements Minimum Recommended
~ --
I Processor 233 MHz 300 MHz or higher
--
Memory 64MB RAM 128 MB RAM or higher

i Video adapter and Super VGA (800 x 600) or higher resolution

I.---monitor
I

"~ard drive disk free 1.5 GB or higher

f-space
CD-ROM drive or DVD drive
1-Drives
.-
Input devices Keyboard. Microsoft Mouse or compatible pointing ~ I

device I
I
~ Sound - -
Sound card. Speakers or headphones .,

The following step by step procedure will help you to install Windows XP. The
installation procedure is shown with the figure appears on your screen after doing a
step.

I) Insert the Windows XP CD into your computer and restart.

2) If prompted to start from the CD, press SPACEBAR. If you miss the prompt (it
only appears for a few seconds), restart your computer to try again.

3) Windows XP Setup begins. During this portion of setup, your mouse will not work,
so you must use the keyboard. On the Welcome to Setup page, press ENTER.

9
Practicals - Lab Manual- J 4) On the Windows XP Licensing Agreement page, read the licensing agreement.
Press the PAGE DOWN key to scroll to the bottom of the agreement. Then press
F8.

5) This page enables. you to select the hard disk drive on which Windows XP will be
installed. Once you complete this step, all data on your hard disk drive will be
removed and cannot be recovered. It is extremely important that you have a recent
backup copy of your files before continuing. When you have a backup copy, press
D, and then press L when prompted. This deletes your existing data.

6) Press ENTER to select Unpartitioned space, which appears by default.

10
7) Press ENTER again to select Format the partition using the NTFS tile system, Install Your Operating System
(WINDOWS/LlNUX)
which appears by default.

8) Windows XP erases your hard disk drive using a process called formatting and then
copies the setup files. You can leave your compu ter and return in 20 to 30 minutes.

9) Windows XP restarts and then continues with the installation process, From this
point forward, you can use your mouse. Eventua.lly, the Regional and L:anguage
Options page appears. Click Next to accept the default settings. If you are
. multilingual or prefer a language other than English, you can change language
settings after setup is complete.
11
Practicals - Lab Manual-I

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10) On the Personalize Your Software page, type your name and your organization
name. Some programs use this information to automatically fill in your name
when required. Then, click Next.

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{}Jp,!' ,You, (u~·narli~ Cflfi the name of yout C~J QI tlrganization.

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12 .
11) On the Your Product Key page, type your product key as it appears on your Install Your Operating System
(WINDOWS/UN UX)
Windows XP CD case. The product key is unique for every Windows XP
installation. Then, click Next.

...'

12) On the Computer Name and Administrator Password page, in the Computer
name box, type a name that uniquely identifies your computer in your house, such
as FAMIL YROOM or TOMS. You cannot use spaces or punctuation. If you
connect your computer to a network, you will use this computer name to find
shared files and printers. Type a strong password that you can remember in the
Administrator password box, and then retype it in the Confirm password box .
.Write the password down and store it in a secure place. Click Next.

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Infirm pl,I tWI'ij .

13
Practicals - Lab Manual-l J 3) On the Date and Time Settings page, set your computer's clock. Then, click the
Time Zone down arrow, and select your time zone. Click Next.

0., 1 iIM Sttting8

Sfl the i:Otf 1;1d I nd 11 lOt yt)(ll Wind' ws C::Ofltput I

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14) Windows XP will spend about a minute configuring your computer. On the
Networking Settings page, click Next.

I~ c~ t•. S;

.'•

14
15) On the Workgroup or Computer Domain page, click Next. Install Your Operating System
(WINDOWS/LINUX)

Windows XP Profeisi"OriafSetdp

Do you. want this cornp\.l'tf-t to "'; member of a dO/ilain?

(You may. need to obtain thn nOflnation from your:netwofk administrator.)

r. !lo, this computet 1$no{ 00 a network, or is on a netwotk without a domain.

Make this computer a membet of the following WOIkgiOlJlX

WOAKGAOUP

r Yes, make this comp~ b member of the following domain:

16) Windows XP will spend 20 or 30 minutes configuring your computer and will
automatically restart when finished. When the Display Settings dialog appears,
click OK.

To improve th appearance of vlsUaI e. mentsJ WindO'fII' w~J utomatlc

ad u.St your scr en resolution,

17) When the Monitor Settings dialog box appears, click OK.

:J
WtrJdow~adjust ~ your «run r6.so1ut·oti If you c n r I d
•• t '" text, diek OK
to tXInt nt.Je.

15
 Pracncars - Lab Manual-I 18) The final stage of setup begins. On the Welcome to Microsoft Windows page,
click Next.

19) On the Help protect your PC page, click Help protect my j>Cby turning on
Automatic Updates now. Then, click Next

20) Windows XP will then check if you are connected to the Internet:
• If you are connected to the Internet, select the choice that describes your
network connection on the Will this computer connect to the Internet
directly, or through a networkflpage. If you're not sure, accept the default
selection, and click Next.
16
 Install Your Operating System
(WINDOWS/LINUX)

.,
('

21) If you use dial-up Internet access, or if Windows XP cannot connect to the
Internet, you can connect to the Internet after setup is complete. On the How
will this computer connect to the InternetOpage, click Skip.

17
Practicals - Lab Manual-I 22) Windows XP Setup displays the Ready to activate WindowsOpage. If you are
connected to the Internet, click Yes, and then click Next. If you are not yet
connected to the Internet, click No, click Next, and then skip to step 24. After
setup is complete, Windows XP will automatically remind you to activate and
register your copy of Windows XP.

23) On the Ready to register with Microsoft? page, click Yes, and then click Next.

18
24) On the Collecting Registration Information page, complete the form. Install Your Operating System
Then, click Next. (WINDOWS/LINUX)

25) On the Who will use this computerDpage, type the name of each person who
will use the computer. You can use first names only, nicknames, or full names.
Then click Next. To add users after setup is complete or to specify a password to
keep your account private, read Create and customize user accounts .•

19
 Practicals - Lab Manual-I 26) On the Thank you! page, click Finish.

Congratulations! Windows XP setup is complete. You can log on by clicking

your name on the logon screen. If you've installed Windows XP on a new
computer or new hard disk drive, you can now use the File and Settings
Transfer Wizard to copy your important data to your computer or hard disk
drive.

Note: Whenever you are working with your computer system do not save your data
in to the disk space or drive where your O.S. resides, because if something
goes wrong and you need to format yOW'system then yOW'data will be lost.
Generally, O.S. is loaded in C: drive, so avoid saving yOW'data in this drive
and save it in other partitions. So that your data is safe, even if something goes
wrong and you need to format your system.

1.2.3 Basic Utilities for Windows

Windows has a rich set of utilities you can check the details of these in yOW'Windows
XP. In this section we have given you few additional. utilities for File. Management,
Productivity, Security and System maintenance.

File Management: WinRAR is a powerful archive manager. It can backup your data
and reduce the size of email attachments, decompress RAR, ZIP and other files
downloaded from Internet and create new archives in RAR and ZIP file format.

FlashGet is a leading download manager and has the highest amount of users on the
internet. It uses MHT (Multi-server Hyper-threading Transportation) technique,
supports various protocols and has excellent document management features.
FlashGet is a freeware without any adware or spyware.
20
c
Productivity:Paint. NET is free image and photo editing software for computers that Install Your Operating System
(WINDOWS/LINUX)
run Windows. ThumbsPlus is an image manager that also includes a database system
for image organization and cataloging

Security: Windows has various security tools for FircwaJl, Antivirus and
Antispyware.

System Maintenance: The Symantec's Norton Save & ~store, which can create

.
full system and file backups to another drive, either in the background or on demand .

Disk Director Suite: It can reorganize a PC for better performance and data
protection. It is the easiest and most convenient partition manager and hard disk
toolkit. It brings together the most popular disk management functions, partition
recovery tools, and boot disk manager.

Lab Exercises 1

1) Will you be able to load Windows XP on a machine having 32 MB RAM?

2) Does the increase in the capacity of hard disk from its minimum requirement to
say some upper limit affects the system's performance?

3) Does question 2 above means that attaching a hard disk having capacity in
terabytes to a system having 64MB RAM and 233MHz processor will not affect
the system performance?

4) If some network application is to be developed then which O.S. you would prefer
to work with and why?

........... ~ .

5) Do we have any operating system which makes our Mobile phones to work and
run the applications on it , or some different mechanism is there?
.................................................................................................

21
 Practicals - Lab Manual-I 6) "Once the our of an Windows O.S. is loaded, then also we can work with its
CLl ", if you agree then give the steps involved to switch over from OUI to CLl
in say, WindowsXP?

7) After completing the O.S. Loading process, what have you realized, as to where
does our O.S. resides in to the computer system?

8) In which drive should we save our data, and why? What problem may occur if
we try to save data in the partition or memory segment where our O.S. is residing
or loaded?

1.3 LINUX OPERATING SYSTEM

Linux is a freely available, open source, Unix-like operating system. Written

originally for the PC by Linus Torvalds, with the help of many other developers
across the Internet, Linux now runs on multiple hardware platforms. Because of its
speed, stability, and low cost, Linux became the fastest growing operating system for
servers. Today, Linux is widely used for both basic home and office uses. It is the
main operating system used for high performance business and in web servers. Linux
has made a huge impact in this world.

Red Hat Linux

The first public release of Red Hat Linux (version 1.0) is dated 1994, after that there
are many versions of Red Hat Linux 1.1,2.0,2.1, 3.0.3, 4.0, 4.1, 4.2,5.0,5.1, 5.2,
6.0,6.1,6.2,7,7.1,7.2, 7.3,8.0and 9 over a period till the year 2003. After that
Redhat and Fedora project were merged.

Fedora

Fedora is a Linux-based operating ystem that showcases the latest in free and open
source software. Fedora is always free for anyone to use, modify, and distribute. It is
built by people across the globe who work together as a community: the Fedora
Project. The Fedora Project is open and anyone is welcome to join.
22
Fedora Core 1 was the first version of Fedora and was released inthe year 2003. Install Your Operating System
(WINDqWS/LINUX)
Since, then different versions of Fedora such as Fedora Core 2, 3, 4,5 and 6 were
released till 2006. Then new versions such as Fedora 7,8',9 and 10 are also released
till 2008. The installation procedure for Fedora 9 is explained in this unit.

1.3.1 Features of Linux Operating System

The following are various features of Linux operating system:

Low Cost ,'.

There is no need to spend time and huge amount money to obtain licenses since Linux
and much of its software come with the GNU General Public License. There is no
need to wo,rry about any software that you use in Linux.

Stability

Linux has high stability compared with other operating systems. There is no need to
reboot the Linux system to maintain performance levels rarely. Its freezes up or slow
down. It has a continuous up-times of hundreds of days or more.

Performance

Linux provides high performance on various networks. It has the ability to handle
large numbers of users simultaneously.

Networking

Linux provides a strong support for network functionality; client and server systems
can be easily set up on any computer running Linux. It can perform tasks like network
backup more faster than other operating systems,

Flexibility

Linux is very flexible. Linux can be used for high performance server applications,
desktop applications, and embedded systems. You can install only the needed
components for a particular use. You can also restrict the use of specific computers.

Compatibility

It runs all common Unix software packages and can process all common file formats.

Fast and Easy Installation

Linux distributions-come with user-friendly installation.

23
Practicals - Lab Manual-l Better use of Hard Disk

Linux uses its resources well enough even when the hard disk is almost full.

Multitasking

Linux is a multitasking operating system. It can handle n~any things at the same time.

Open Source

~ Linux is an Open source operating systems. You can easily get the source code for
Linux and edit it to develop your personal operating system.

1.3.2 How to Install Linux Operating System (Fedora 9)

System requirements (minimum)

• 300 MHz x86 processor

• 64 MB of system rnemory (RAM)
"

• At least 4 GB of disk space (for full installation and swap space)

• VGA graphics card capable of 640 x 480 resolution
• CD-ROM drive or network card

System requirements (recommended)

,
I

"

• 700 MHz x86 processor or higher

• 384 MB of system memory (RAM) or more
• 8 GB of disk space or more
• Graphics card capable of l024x768 resolution
• Sound card
, • A network or Internet connection

Note: For proper installation 'keep the size of swap space or swap area, approximately
greater than or equal to the double of the size of the RAM of your system, the
",
reason behind requires more in depth understanding of the concepts ofO.S.,
which can't be discussed at this level. However, the concern is related to the
paging and segmentation management when swaps in the memory segments
are ,performed.

The following step by step procedure helps the stud~nt to install Fedora 9, Similar to
Windows XP installation procedure, Step by Step figures are also shown for more
clarity.

1) Insert Fedora CD/DVD in optical drive of your computer and bootfrom it

24
 Then you will get the following Fedora welcome screen. Select "Install or Install Your Operating System
(WINDOWS/LlNUX)
upgrade an existing system" and press enter key. Wait for a while for the
system to load ...

2) Select "Skip" button to start the installation

Then Anaconda (the Fedora installer) will load and you'll see the welcome screen.
Click the "Next" button

s 1 •
fedora . I, \

25
 Practicals - Lab Manual-I 3) Choose your language

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A warning message about the hard drive partitions may appear. If so, click on "Yes"
button

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t\"'lio ••OI
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4) Setup your network

a) If you have a DHCP network '(dynamic IP address), click on "Next"

button, but if you have a static IP address (ask your provider if you 'fie not
sure) click on "Edit" button and follow the instructions given below:

b) If you have an IPv4 address, make sure it's enabled. If you have an IPv6
address, make sure it's enabled too (if yeu don't have an IPv6 address,
uncheck the 'Enable IPv6 support' option).

c) Check the "Manual configuration" option and enter your IP address and
the Netmask, Gateway, primary and secondary DNS as shown in the
following screens

(ask your provider if you don't know them). Do the same for the IPv6
address (if you have one). Click on "OK" button, once you've finished.
26
 ~nstall Your Operating System
. -~---- (WINDOWS/LINUX)
f I''1t it" #" f
- -- . -

,
- ---- -- -
ff;d '.)r,..,"" 1

. - - - -- - --
fcrf'~(#(~ .• ;,

27
Practicals - Lab Manual-I 5) Select your location (Country)

Click on "Next" button, once you have done with the network configuration to select
your location (country) and time zone.

fedora'

6). Enter root password

Click on "next" button to enter the root (System Administrator) password. The
longer, the better (WRITE IT SOMEWHERE OR MEMORIZE IT)

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7) Select Disk partition

Here comes the partitioning part! If you have an empty hard drive, all you have to do
is click "Next" button (make sure the "Remove all partitions on selected drives and
create default layout" option is selected), If you don't have an empty hard drive and
you still want to install Fedora 9 on your machine, then make sure you select the "Use
free space on the selected drives and create default layout" option (Note: 10 GB
minimum of free space is r~CJuired).Click on "Next" button.
28
 Install Your Operating System
(WINDOWS/LlI\lUX)

Note: Encryption is supported in this release and you can enable it with a single
mouse click, by checking the "Encrypt system" option!

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- - - - - -- -

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Note: Click the 'Write changes to disk' button when asked

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29
 Practicals - Lab Manual-l The hard disk will be formatted and the partitions will be created

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8) Select the desired packages

fe dor o"

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30
 Install Your Operating System
(WINDOWS/LINUX)

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9) Format the partitions and copy the packages into your hard disk'

Click on "Next" button and everything will be done automatically and watch how the
partitions are formatted and the software packages are copied to your hard drive. The
installation process will take about 8-10 minutes (depending on your computer specs
and the selected packages).

--- - - - --- -- - -- --~- -----_._----- ~

fedoral

fedora.' ±

31
Practicals - Lab Manual-l

10) Restart your computer after successful installation

When the installation is over, you will get a "Congratulations, the installation is
complete" screen. Click on "Reboot" button and your computer will automatically
restart.

'.'

Note: Remove the DVD from your optical drive. Now Fedora 9 Linux operating
system will start for the first time.

32
 Install Your Operating System
(WINDOWS/LINUX)

The system will boot...

And, before you reach the Fedora desktop, you must do a one-time general system
configuration. Now log in to your new Linux operating system.

33
 Practicals - Lab Manual-I 1.3.3 Linux Utilities and Basic Commands

The following arc some of the basic commands used in the CLI ~inux operating
system, however GUI option is always available, as in the case of Windows:

a) alias Alias is used to substitute a small or more familiar name in place of

a long string. It is commonly used for a long strings that are
frequently used.
Syntax alias [name=['command']]

Name Specifies the alias name.

Command Specifies the command the name should be an alias for.
-a Removes all alias definitions from the current shell
execution environment.
-t Sets and lists tracked aliases.
-x Sets or prints exported aliases. An exported alias is
defined for scripts invoked by name.

Example $alias home 'cd public _html' - Sets home to type cd

public_html. Use the command 'unalias' to remove this
alias.

Alias command can be used even for the following:

Salias elr clear . $alias cls clear
$alias copy cp -I $alias del rm -1
Salias delete rrn -I $alias home cd ~
$alias md mkdi.r $alias move mv -I
$alias type more

b) awk awk utility is powerful data manipulation/scripting programming

language (IIlI fact based 'on the C programming Language). Use awk
to handle complex task such as calculation, database handling, report
creation etc.

Syntax awk -f {awk program file} filename

awk Program contains are something as follows:
Pattern {
actionl
action2
actionN
}

awk reads the input from given file (or from stdin also) one line at a
time, then each line is compared with pattern. If pattern is match for
each lin e then given' action is taken. Pattern can be regular
expres sions,
34
 Following is the summery of common awk metacharacters: Install Your Operating System
(W[NDOWS/LINUX)

Metacharacter Meaning

(Dot) Match any character

-
* h zero or more character
[1 Match beginning of line

$ ~ Match end of line

\ Escape character following

[] ] List
{} Match range of instance

+ Match one more preceding

? Match zero or one preceding I

~
I rate choices to match

c) cd The cd sets the working directory of a process.

Syntax cd <directory name>

Example $cd fete

d) chmod Chmod is a utility that changes the permission of a file.

Syntax chmod [OPTION}. .. MODE[,MODE}. .. FILE. ..

Permissions
u - User who owns the file. g - Group that owns the file.
a - Other. a - All.
r - Read the file. w - Write or edit the file.
x - Execute or run the file as .aprogram.

Numeric Permissions:
CHMOD can also to attributed by using Numeric Pennissions:

400 read by owner 040 read by group 004 read by anybody

200 write by owner 020 write by group 002 write by anybody
100 execute by owner 0 I0 execute by group 00 I execute by anybody

Example $chmod 644 file.htm

This gives the file read/write by the owner and only read by everyone
else (-rw-r--r--).

$chmod 755 file.cgi

$chmod 666 file.txt

35
Practicals - Lab Manual-I e) chown Chown is a utility that is also used to change file ownership.

Syntax chown [R] owner[:group]file ...

-R recursively change file user and group IDs. For each file operand
that names a directory, chown shall change the user ID (and group ID,
if specified) of the directory and all files in the file hierarchy below it.

Example #chown root file. txt

1) cp The cp command is used to copy files.

Syntax $cp source destination

Example $cp abc. txt pqr. txt [copy the file abc. txt as pqr.txt]
$cp *.txt /etc/ [copy all files with .txt extension
into /etc directory]
$cp a* /etc/ [copy all files starts with the letter 'a'
into /etc directory]

g) date An essential command to set the date and time. Also a useful way to
output current information when working in a script file.

Example $datc

h) df The df command reports filesystem disk space usage.

With no arguments, 'df reports the space used and available on all
currently mounted filesystems (of all types). Otherwise, "df reports
on the filesystcm containing each argumentjile.

Syntax df [option ]... [file [,..

Normally the disk space is printed in units of 1024 bytes, but this can be overridden.

OPTIONS List inode usage information instead of block usage. An

inode (short for index node) is contains information about a
file such as its owner, permissions, timestamps, and
.'
location on the disk.

'-k' Print sizes in 1024byte blocks, overriding the default block

size.

'-rn' Print sizes in megabyte (i.e.; 1,048,576-byte) blocks.

Example $df-k $df -rn $df-i

36
i) pwd To know the current working directory Install Your Operating System
(WINDOWS/LINUX)
Syntax pwd
Example $pwd
j) In The In command makes new, alternate file names for a file by hard
linking, letting multiple users share one file. The In command creates
pseudonyms for files which allows them to be accessed by different
names. These pseudonyms are called links. There are two different
forms of the command and two different kinds of links that can be
created.

Syntax In [options] exiting path [new yath]

In [options] exiting paths directory

In the first form, a new name is created called new yath which is a
psuedonym for existing path. In the second form, the last argument is
taken to be a directory name and all the other arguments are paths to
existing files. A link for each existing file is created in the specified
directory with the same filename as the existing files.

Example Create a link named my_file in the current directory to the

file /home/bill/his file:

$ln /home/bill/his file my_file

As above but the link is created in Ihome/joe/my _file:

$ln /home/bill/hisfile Ihome/joe/my _file

To create a symbolic link, all works as above except you need to

include the -s option.

For example, to make a symbolic link called linux that points to

fedora:

$In -S linux fedora

The only way to see that linux is a symbolic link is by using the Is -I
command (Is -l Iinux). The output of this command will look much
like this:

lrwxrwxrwx 1 joe users 32009-03-21 17:26 linux -> fedora

k) Is The Is command shows information about files. It lists the contents of

a directory in order to determine when the configurations files were
last edited.

Syntax Is [-a] [-A] [-c] [-d] [-i] [-1] [-L] [n] [-r] [-R] (pathnames]
37
Practicals - Lab Manual-l -a: shows all files, even files that are hidden (these files begin with
a dot.)
-A: list all files including the hidden files. However, does not display
the working directory (.) or the parent directory (..).
-c: use time oflast modification of the i-node (file created, mode
changed, and so forth) for sorting (-t) or printing (-I or on).
-d: if an argument is a directory it only lists its name not its contents.
-i: for each file, print the i-node number in the first column of the
report.
-I: shows you huge amounts of information (permissions, owners,
size, and when last modified.)
-L: if an argument is a symbolic link, list the file or directory the link
references rather than the link itself.
-n: The same as -1, except that the owner's UID and group's GID
numbers are printed, rather than the associated character strings.
-r: reverses the order of how the tiles are displayed.
-R: includes the contents of subdirectories.

Example $Is -I $ls -cl , $ls -r

I) man Short for "manual," man displays information about commands and a
keyword search mechanism for needed commands.

Syntax man <command>

Example $man find $man chown

m) passwd A quick and easy way to change passwords on a system.

Syntax passwd [-d account name]

Example #passwd
#passwd --cl xyz [ to delete the password of the
account 'xyz']

n) Shutdown Shutdown is a command that turns off the computer and can be ,.
combined with variables such as -h for halt or -r for reboot.
Syntax Shutdown [-h][-r]

Example #shutdown

0) top Top provides an ongoing look at processor activity in real time. It

displays a listing of the mo t CJ:>U-inten'ive tasks on the system, and
'.
can provide an interactive interface for manipulating processes.

Syntax top

Example $top

38
 p) vrnstat The vmstat command is used to get a snapshot of everything in a Install Your Operating System
(WINDOWS/LINUX)
. system, helping admins determine whether the bottleneck is CPU,
memory or I/O. Run this command to get virtual memory statistics.
vmstat reports information ~bout processes, memory, paging, block
10, traps, and cpu activity.

Syntax vmstat [-a] [-n] [de/ay [count]]

vmstat [-f] [-s] [-m]
vmstat [-S unit]
vmstat [-d]
vmstat [-p disk partition]
vmstat [-V]

Example $vmstat

Lab Exercises 2

. 1) What are various features of windows operating system? Check them.

2) Wnte and run some basic commands ofLinux operating system.

3) Find various releases/versions of Windows operating system.

4) Practice to install Windows XP in your computer.

5) Practice to install Fedora 9 in your system.
6) While Loading Fedora 9 on your system, what amount of memory space should
be allocated to Swap space and why?

1.4 SUMMARY

The installation process of two well known O.S. i.e., Windows XP and Fedora,
con~ibuting to Proprietary and Open source community are discussed. Apart from the
peculiar technicalities and tasks one has to perform while installing the O.S. are also
discussed. In the Fedora part the exploration of some useful CLl commands is also
performed, however to work with Fedora professionally you need to refer to the
39
 Practicals - Lab Manual-l Further readings section given at the end of this unit & may need to explore the
internet for further help. Apart from this Different versions/releases of both Windows
and Linux are clearly specified from first release to till latest release of each. Various
features of both the operating systems are also explained. At last the purpose of this
unit is to let you perform the actual installation procedures of Windows (Windows
XP) and Linux (Fedora 9).

1.5 SOLUTIONS/ANSWERS

Lab Exercises 1

1) No, because the minimum requirement of RAM is 64MB.

2) No, the performance is not affected, if the size of the hard disk is not that high.
But if processor is slow i.e. ofless frequency and other parameters and RAM is
Less then by attaching very high capacity hard disk (directly i.e. not in master
slave manner) will make the system slow.

3) No, the performance will be severely affected. For arguments, refer to answer
given above.

4) For development of some commercial application the NT or Server technologies

are generally preferred to work with, because these type of O.S. are specifically
designed to support the network/Client server and other environments.

5) Yes, Symbian is one of the well known O.S. apart from this Windows Mobile
edition is also there and many other are in pipeline , but these two are quite
famous.

6) Yes, even if the GUI of an Windows O.S. is loaded, then also we can work with
its CLl. You can switch yourself from one mode to other i.e. GUI to Non GUI
(i.e.CLI), depending on your choice. Below the installation process of Windows
XP is given, once it is loaded, then you can click your mouse on Start menu, go
to Run, click in it a window will pop up, in the box simply write cmd and press
enter, you will see the DOS prompt as shown below which is the CLl of the GUI
i.e. Windows XP loaded by you.

7) The O.S. itself resides in the Hard Disk ofthe system and that's why the
minimum system requirement takes care of hard disk specifications too.
8) Whenever you are working with your computer system, do not save. your data in
to the disk space or drive where your O.S. resides, because if something goes
wrong and you need to format your system then your data will also be lost.
Generally O.S. is loaded in C: drive, so avoid saving your data in this drive and
save it in other partitions. So that yourdata is safe, even if some thing goes'
wrong and you need to format your system.
40
Lab Exercises 2 Install Your Operating System
(WINDOWS/LINUX)

1) The following are various features of Windows operating system:

User Interface & Device support

Accessibility and Usability
Remote desktop
Power management

/
2) The following are some basic commands of the Linux operating system
alias, Is, In, find, awk, passwd, shutdown, vstat, top, cp and cd

3) The following are various releases/versions of Windows operating system

The first version of Microsoft Windows i.e version 1.0, released in the year
1985. Later different versions of windows( windows 2.0, 3.0, 3.l, windows
95, windows 98 and windows XP) over a period till 2001 and then in the year
2007, Microsoft released windows Vista.

Microsoft released in parallel the network operating system for servers for
" various network services also. Windows NT 3.1 is the first release of
Microsoft's Windows NT line of server in the year 1993. Since then, ,
Microsoft released various versions (Windows NT 4.0, Windows 2000,
Windows server 2003 and Windows server 2008) over a period till 2008.

4) Exercise yourself

5) Exercise yourself

6) For proper installation keep the size of swap space or swap area,
approximately greater than or equal to the double of the size of the RAM of
your system, the reason behind requires more in depth understanding of the
concepts ofO.S. , which can't be discussed at this level. However the concern
is related to the paging and segmentation management when swaps in the
memory segments are performed.

1.6 REFERENCES/FURTHER READINGS

• http://www.microsoft.com/windowsxp/using/setup/winxp/instal1.mspx

• http://www.1inux.org

• http://www.fedoraproject.org
• http://www.redhat.comldocs/manuals/~inux

41