Disk Operating System Concept and command

bbstudents2018 17 views 12 slides Sep 02, 2024
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About This Presentation

Disk operating system


Slide Content

DOS
(Disk Operating System)

Operating System
DOS
Windows
LINUX
UNIX
etc...

What is DOS ?
Single user operating system.
CUI (Character User Interface)

Booting Sequence
Basic Input Output System (BIOS)
BIOS automatically looks for the PC’s master
computer program, first in the A:\ drive, if a
floppy drive is loaded, otherwise in the C:\ drive.

What is FILES?
Data files.
Program files.
Sub Directory files

Every file name has two parts
File name
Extension

Various Versions of DOS

Important files in DOS
IO.sys
MS-DOS.sys
COMMAND.com

What are DOS command?
Internal command
External command

Internal Commands
Cls
Dir
Copy
Del
Ren
Type
Cd
Md
Rd
undelete,
Erase
Date
Time
Ver
Prompt
Break
Vol
Pause

External Commands
Diskcopy
Xcopy
Format
Label
Mem
More
Tree
deltree
lock
Unlock
Scandisk
Diskcomp
Chkdsk
copy con
Mode
Fdisk
attrib
Move