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Disc Operating System (DOS)

Disc Operating System (DOS)
What is the switch that is used to make sure that the copy command copied files correctly

/s
/a
/v
/c

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Disc Operating System (DOS)
Copy and Xcopy are same in the sense

Both are external commands of DOS
Both can be used to copy file or group of files
None of the listed here
Both are internal command of DOS

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Disc Operating System (DOS)
xcopy command can copy

Directories including subdirectories
xcopy command can copy
All of the listed here
xcopy command can copy

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

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

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Disc Operating System (DOS)
Which of the following filename extension suggests that the file is a backup copy of another file?

COM
TXT
BAS
BAK *

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

SYS
EXE
PRO
INF

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