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Q.

Which of the following commands is used to remove files?

A

erase

B

delete

C

rm

D

dm

E

. None of the above

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MCQ

1.

In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.

A

.exrc

B

.profile

C

lastlogin

D

.mbox

E

None of the above

Discussion

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2.

Which command is used to count just the number of characters in a file?

A

wc - 1

B

wc -c

C

wc -w

D

wc -r

E

None of the above

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3.

In UNIX, the ______________ system call is used to send a signal.

A

sig

B

send

C

kill

D

sigsend

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4.

Which operator will be used with chmod command to assign absolute permission?

A

+

B

-

C

=

D

%

E

None of the above

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5.

Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

A

copy programs/wb misc/wbx

B

cp programs/wb misc/wbx

C

tar programs/wb misc/wbx

D

copy a:programs/wb b:misc/wbx

E

None of the above

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