Explore topic-wise MCQs in Unix.

This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.

1.

The technique of restoring line deletions from numbered buffers is applicable only to entire lines.

A. True
B. False
Answer» B. False
2.

For restoring the contents of numbered buffers efficiently, ___ command is used.

A. .
B. $
C. :nb
D. :q
Answer» B. $
3.

To restore a number of recent deletions, numbered buffers are used.

A. True
B. False
Answer» B. False
4.

vi editor has ____ named buffers.

A. 2
B. 4
C. 26
D. 5
Answer» D. 5
5.

:r !date inserts the output of date command in our file.

A. True
B. False
Answer» B. False
6.

TO_RESTORE_A_NUMBER_OF_RECENT_DELETIONS,_NUMBERED_BUFFERS_ARE_USED.?$

A. True
B. False
Answer» B. False
7.

The technique of restoring line deletions from numbered buffers is applicable only to entire lines.$

A. True
B. False
Answer» B. False
8.

For restoring the contents of numbered buffers efficiently, ___ command is used.$

A. .
B. $
C. :nb
D. :q
Answer» B. $
9.

Which of the following is an invalid command?

A. :r file01
B. :e file01
C. :e
D. :w file01
Answer» E.
10.

To append contents of buffer to file01, we can use __________

A. : w >> file01
B. :r > file01
C. :w > file01
D. :r >> file01
Answer» B. :r > file01
11.

vi used ___ to enter control characters.

A. ctrl-w
B. ctrl-v
C. ctrl-d
D. esc
Answer» C. ctrl-d
12.

vi editor has ____ named buffers?

A. 2
B. 4
C. 26
D. 5
Answer» D. 5
13.

To remove all other windows except the current one, which of the following command is used?

A. :on
B. :new
C. :n
D. :r
Answer» B. :new
14.

To create a new window, ____ can be used.

A. :sp
B. :new
C. :n
D. :r
Answer» D. :r
15.

To split the screen into multiple windows, we can use ____ command.

A. :sp
B. :new
C. :n
D. :r
Answer» B. :new
16.

:r !date inserts the output of date command in our file.

A. True
B. False
Answer» B. False
17.

We can move back to the previous file using ____ command.

A. new
B. :n
C. :rew
D. :prev
Answer» D. :prev
18.

When multiple filenames are used with vi, we can switch to next file using ___ command.

A. new
B. :n
C. :rew
D. :prev
Answer» D. :prev
19.

For returning back to the original file after switching we can use:

A. :e!
B. ctrl-^
C. :e
D. ctrl-^ and :e
Answer» E.
20.

Which of the following command is used for switching files?

A. :e
B. e!
C. !e
D. !r
Answer» B. e!