why internal dos command are called memory resident command
Answers
General purpose commands
1. CLS:- (Clear the screen) This command is used to clear the screen or wipe out every thing written on the screen.
Syntax:- C:\> CLS and press Enter
2. DIR:- (Directory) Dir command is used for listing files and directories present in the current disk.
Syntax:- C:\> DIR [/switches]
Example:- C:\> DIR /P
Switches:-
/P Page wise
/W Widths wise
/S List all files and directory of subdirectories
/AH Display directory with hidden files
/AS Display directory with system files
/AD Display only directories present in current drive
3. VER:-(Version) Version numbers indicates that which edition of DOS we are working on.
Syntax:- C:\> VER press enter
Output:-
C:\>VER
Windows 98 [Version 4.10.2222]
4. VOL:-(Volume) Displays the disk volume label and serial number, if it exist.
Syntax:- C:\> VOL press enter
Output:-C:\>VOL
Volume in drive C is JAI
Volume Serial Number is 3E42-1907
5. DATE:- Display the current Date
Syntax:- C:\> DATE
C:\>DATE
Current date is Fri 02-15-2002
Enter new date (mm-dd-yy):