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Disc Operating System (DOS)

Disc Operating System (DOS)
Which DOS command allows you to compress existing disks and to create new compressed volumes?

None of these
DBLSPACE
SCANDISK
MSAV
DEFRAG

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Disc Operating System (DOS)
Which DOS command will format a floppy disk and transfer the system files

FORMAT A: /S
SYS A:
None of these
SYS C: A:
FORMAT A: /T

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Disc Operating System (DOS)
The MODE command of MS-DOS is used to

provide various types of control over your printers
make changes of the current display
display information about several types of devices installed in your computer
All of these

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Disc Operating System (DOS)
Which command displays the list of all previous commands entered by the used?

COMMANDS/ALL
DIR/ALL
KEYDOS
DOSKEY

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Disc Operating System (DOS)
Maximum length of DOS command using any optional parameter is

17 characters
27 characters
127 characters
12 characters

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Disc Operating System (DOS)
While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?

Copy *.txt a:
Copy a: *.txt
Copy *.txt all.txt
Copy *.txt c:

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