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What Is Dos?: Dos Commands Are of Two Types

Dos is a disk operating system that acts as a translator between the user and the computer to perform tasks. It contains internal commands like DIR to view files and folders, DEL to delete files, and DATE to view the system date. It also contains external commands requiring other files, like BACKUP to create disk backups, FORMAT to prepare disks for storage, and DELTREE to delete all files in a folder.

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RITESH SINGH
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733 views3 pages

What Is Dos?: Dos Commands Are of Two Types

Dos is a disk operating system that acts as a translator between the user and the computer to perform tasks. It contains internal commands like DIR to view files and folders, DEL to delete files, and DATE to view the system date. It also contains external commands requiring other files, like BACKUP to create disk backups, FORMAT to prepare disks for storage, and DELTREE to delete all files in a folder.

Uploaded by

RITESH SINGH
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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DOS - (Disk Operating System)

WHAT IS DOS?
Dos is a disk operating system with
a set of programs that act a
translator between the user and the
computer in order to perform the
task of the user. Ms-Dos is a
popular operating system on Micro-
Computers.

Dos commands are of two types:


Internal Commands:

Cls : This command is used to clear the screen.

Ver : This helps us to know the later version of dos.

Vol : This command shows the label of the current drive &
and its serial number.

Date : This command display the current date. Also called as


the system date.

Time : This command display the current time and also the
message to enter the new time.

Dir : This command display the list of files and directory in


the mentioned directory or drive.

Dir/P : This command show all the files pagewise. Once the
screen is full of filename a message saying “press any key to
continue” is displayed, he user can take his/ her own time o
view the files & its details.

Dir/w : This command is used to display the content of disk


i.e files width wise i.e:- five filenames perline.
Wild Characters : There are 2 wild characters.

?: denoted any one single characters.

* : denotes any no of characters.

Type : This command is used to see the content of a specific file on the
screen.

Rename or Ren : This command is used to change the filename.

Del (Deleting) : This command is used to erase the file from the disk.

Copy : This commands is used to duplicate the content of one file in to


another file.

Directories : A directories is a separate area on the disk to store some


files.

Md<directory name>

Rd<removing directory>

Edit : is a Dos Editor. It is an internal command.

External Commands :
External commands are ones which requires certain special Dos
files for their execution.

Tree : This command display path and optionally list the


content of each directory and sub directory

on the specified drive.

Sort : The sort filter reads input ,sorts the data and then
writes the sorted data screen or to a file

or another device.

Find : Locates all the lines which contain a specific string of


text in a file or files.
Print : This command used to print to content of the files.

Chkdsk: This command is used to display the report regarding


the status of the disk.

Diskcopy: This command is used to copy the content of one


disk to another.

Attrib : Each and every file has some attributes stored for it.

Backup: The hardisk can sometimes suffer a head crash. In


such occasion all data on the disk is

lost and irrecoverable.

Format : To make a floppy or hardisk capable of storage.

Deltree: It is used to delete all files or directories from the


drive or directory from drive or directory.

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