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Q.

Which of the following keys is used to delete the character beneath the cursor?

A

x

B

X

C

dd

D

D

E

None of the above

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MCQ

1.

In UNIX, the set of masked signals can be set or cleared using the ________ function.

A

sigmask

B

sigmaskproc

C

sigprocmask

D

sigproc

Discussion

MCQ

2.

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

Discussion

MCQ

3.

The File that contains a set of instructions which are performed when a user logs in, is

A

.exrc

B

.profile

C

.autoexec

D

autoexec.bat

E

None of the above

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MCQ

4.

Which command is used with vi editor to save file and remain in the editing mode?

A

:q

B

:w

C

q!

D

:x

E

None of the above

Discussion

MCQ

5.

The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

B

755

C

744

D

555

E

None of the above

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