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Disc Operating System (DOS)

Disc Operating System (DOS)
4. Which of the following could be a valid DOS file specification?

NOSFILE.DOC
NOST.FILEDOC
NOSFILE.P.OST
NOSFILE.POST

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Disc Operating System (DOS)
Disk copy command in DOS is used to

Copy a file
Copy contents of one floppy disk to another
All of the listed here
Copy contents of CD-ROM to another

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Disc Operating System (DOS)
Filename extensions help identify certain files. What filename extension identifies executable files?

EXE
INF
SYS
PRO

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Disc Operating System (DOS)
Which file in MSDOS contain internal command that are loaded during booting process?

Io.sys
Command.com
Config.sys
Msdos.sys

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

None of these
SCANDISK
DEFRAG
DBLSPACE
MSAV

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Disc Operating System (DOS)
The term TSR is an abbreviation for:

None of these
Terminal Still Ready
Terminate Stay Ready
Testing System Read
Terminate Stay Resident

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