21.
An entire path name, consisting of several sub-directory names can contain upto

22.
MS-DOS developed in

23.
Maximum length of DOS command using any optional parameter is

24.
In which version of DOS. CHKDSK command has been changed to SCANDISK?

25.
CHKDSK command is used to

26.
Which file is the batch file that is read while booting a computer?

27.
Which command is used to backup in DOS 6+ Version

28.
Copy and Xcopy are same in the sense

29.
Which command be used to clear the screen and display the operating system prompt on the first line of thedisplay?

30.
Which command is used to clear the screen

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