Unix Questions

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141.

Which of the following signs is used to back up over typing errors in vi?

A

@

B

#

C

$

D

!

E

None of the above

Correct Answer: B

None.

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142.

Major expressions used with find command to select file is it has been accessed in more than 375 days, is

A

#NAME?

B

#NAME?

C

#NAME?

D

#NAME?

E

None of the above

Correct Answer: A

None.

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143.

Which of are following internal commands is used in mail to forward mail to user in user-list?

A

r user-list

B

m user-list

C

d user-list

D

e user-list

E

None of the above

Correct Answer: B

None.

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144.

Which of the following commands is used to display the filenames in multiple columns?

A

ls

B

ls -1

C

ls -x

D

lc

E

None of the above

Correct Answer: C

None.

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145.

Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

A

chmod u-x, go+r note

B

chmod go+r, u+x note

C

chmod g-x, uo+r note

D

chmod go+x, u-x note

E

None of the above

Correct Answer: A

None.

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