Disk Operating System (DOS) Question:
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If you need to duplicate the entire disk, which command will you use?

a. Copy
b. Diskcopy
c. Chkdsk
d. Format

Answer:

b. Diskcopy

Explanation:
Diskcopy is used to perform track-by-track copy of a disk into another. Copy command copies selected files; chkdsk and format commands are not for copying purpose.

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To make file in MS Dos we need command:

a. Copy
b. Copy con
c. MD
d. Make File		Each time you turn on your computer, it will check on the control file:

a. Command.com, io.sys
b. Command.com, date.com, dir.com
c. Command.com, io.sys, msdos.sys
d. Chkdsk.exe