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Disc Operating System (DOS)

Disc Operating System (DOS)
To copy the hidden system files of DOS to another disk you can use the command

Sys
Copy
Ren
Diskcopy

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Disc Operating System (DOS)
RESTORE command is used to

Restore files from recycle bin
Restore files which are deleted
Restore files which are deleted recently
Restore files from disks made using the BACKUP command

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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?

TXT
BAK *
BAS
COM

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

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

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Disc Operating System (DOS)
What command is used to reset a MODEM when using the "AT Command Set"?

DCE
DTR
ATR
ATZ

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

MSD
serial.chk
command.com
SDET

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MORE MCQ ON Disc Operating System (DOS)

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