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Disc Operating System (DOS)

Disc Operating System (DOS)
The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:

DO NOT DELETE
NO DELETE
ONDELETE
UNDELETE

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Disc Operating System (DOS)
Which command will be used to display a file within the specified directory of pathname?

Dir \pathname
Dir \pathname\filename
Dir/ch
Dir \pathname\pathname

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Disc Operating System (DOS)
Internal command in Dos are

Time, type, dir
Del, disk copy, label
Cls, rd label
Dir, ren, sys

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Disc Operating System (DOS)
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?

Ren *.doc *.txt
Ren a: *.doc *.txt
Ren file.doc file.txt
Ren *.txt *.doc

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Disc Operating System (DOS)
What DOS program can you run to see which serial ports are detected?

serial.chk
MSD
SDET
command.com

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

BAT
EXE
COM
SYS

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MORE MCQ ON Disc Operating System (DOS)

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