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Shell Scripting

This document provides an overview of topics related to the UNIX operating system including history and features of UNIX, file systems, commands, users and groups, system startup and shutdown, working with files and directories, input/output, comparing and searching files, compression, permissions, patterns and regular expressions. It also covers shell scripting, variables, conditional statements, looping, file testing, strings, command line arguments, and job scheduling. The course on these UNIX topics would be taught over 15 days by an experienced faculty member.

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226 views2 pages

Shell Scripting

This document provides an overview of topics related to the UNIX operating system including history and features of UNIX, file systems, commands, users and groups, system startup and shutdown, working with files and directories, input/output, comparing and searching files, compression, permissions, patterns and regular expressions. It also covers shell scripting, variables, conditional statements, looping, file testing, strings, command line arguments, and job scheduling. The course on these UNIX topics would be taught over 15 days by an experienced faculty member.

Uploaded by

skbiswal2007
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Pragathi Technologies

IT starts here
History of UNIX  Usage of regular expression
Features of UNIX  Different types of pattern
Flavors of UNIX  Character pattern
Comparison of UNIX with Windows  Word pattern
Architecture of UNIX  Line pattern
UNIX File System Tools for Filters
 grep, grep with options
Different types of Files Flat files
 Regular Files What are delimiters and its types?
 Directory Files Reading and Writing to files
 Device Files Tools for column data
Basic Commands  cut, paste
 Pwd, logname, who, finger Tools for sorting
 Exit, date, cal  Sort by lines, Sort by fields
Creating Users & Groups  Sort with options, uniq
 groupadd, groupdel Changing information in files
 useradd, userdel  tr, sed
System startup & Shutdown Piping
 Init, halt, shutdown  usage of piping
 Different Run levels  piping with filters
 Different date formats  tee command
Working with files Communication Tools
 cat, touch, rm  write, wall
 cp, mv  mail, mail with options
Working with Directories Networking protocols
 mkdir, cd, rmdir, rm –r  telnet, ftp
Standard Input & Output Disk status
 Redirecting output  du, df with options
 Redirecting Input Job control
Comparing Files  Foreground jobs, background
 cmp, diff, comm jobs
Searching files  Killing jobs, nohup
 find, locate, which Process status
Zip files  ps , ps with options
 gzip, gunzip Editor Vi
Displaying files  3 modes
 ls, ls options  Command mode
Viewing long files  Insert mode
 pg, more, head, tail  Ex command mode
File Permissions
 chmod, chown, chgrp, umask
Meta/Wild Card-characters
 Class, Anchors
 Repetition, Alteration
 Group, Dot
Regular Expressions & Patterns
 What is pattern

No-7, Vysya Bank Colony, 100ft Road, BTM 2nd Stage, Bangalore-560076. Mo: 9538734732
pragathitechnologies@gmail.com, www.pragathitech.com 080-64528888, 48875509,
Pragathi Technologies
IT starts here

SHELL SCRIPTING
What is shell scripting?
Importance of shell scripting
Different types of shells
Creating shell script
Making shell scripting executable

Shell input & output


 echo, print, read
Backslash character constants
Variables Compiling and execution of C
 What is variable
 System defined variables and
 Environment files
 User defined variables C++ programs
 Constant variables
 Local & global variables Real time scripts for UNIX administrators
 Special variables
Operators
 Arithmetic variables
 Relational numeric operators
 Logical operators
 Assignment operators
Conditional statements
 if, if….else
 if, elif Course Duration: 15 days
 case
Looping By:
 while, until, for Real-time experienced Faculty.
 break, continue

File test commands

String test commands

Exit & sleep commands

Command line arguments


 Usage of COA
 What is $0, S#, $*, $@, $? , $$
Job scheduling
 cron
 at
 batch

No-7, Vysya Bank Colony, 100ft Road, BTM 2nd Stage, Bangalore-560076. Mo: 9538734732
pragathitechnologies@gmail.com, www.pragathitech.com 080-64528888, 48875509,

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