Disk Operating System (DOS) Question:
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To copy the file command.com from drive c: to drive a:

a. Drive c: copy drive a:command.com
b. C:A: copy command.com
c. Copy c:command.com a:
d. Both b and c

Answer:

c. Copy c:command.com a:

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CHKDSK can be used to find:

a. Disk's bad portion
b. Occupied space
c. Free space
d. All of above		The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:

a. DO NOT DELETE
b. NO DELETE
c. UNDELETE
d. ONDELETE