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.

Which of the following is not a valid operator-command combination?

A. 5dd
B. yy5
C. cc
D. yG
Answer» C. cc
Discussion
2.

The command c0 will change the text from current cursor to the end of line.

A. True
B. False
Answer» C.
Discussion
3.

The following command will_________

A. throw an error
B. undefined behavior
C. changes the case of the current line from lower to uppercase
D. changes the case of current line from upper to lowercaseView Answer
Answer» D. changes the case of current line from upper to lowercaseView Answer
Discussion
4.

To yank from current cursor up to first occurrence of string str in reverse direction, we can use:

A. y?str
B. y!str
C. yy str
D. yy ! str
Answer» B. y!str
Discussion
5.

The command df. will _____

A. deletes entire line
B. deletes entire paragraph
C. deletes from current cursor up to first occurrence of
D. deletes zero lines
Answer» D. deletes zero lines
Discussion
6.

To delete from current cursor upto the first occurrence of }, which of the following will be used?

A. dd$}
B. d /
C. d / }
D. }
Answer» D. }
Discussion
7.

An operator can’t perform any function without being combined with a command or itself.

A. True
B. False
Answer» B. False
Discussion
8.

THE_COMMAND_DF._WILL______?$

A. deletes entire line
B. deletes entire paragraph
C. deletes from current cursor up to first occurrence of
D. deletes zero lines
Answer» D. deletes zero lines
Discussion
9.

TO_DELETE_FROM_CURRENT_CURSOR_UPTO_THE_FIRST_OCCURRENCE_OF_},_WHICH_OF_THE_FOLLOWING_WILL_BE_USED??$

A. dd$}
B. d /
C. d / }
D. }
Answer» D. }
Discussion
10.

To yank from current cursor up to first occurrence of string str in reverse direction, we can use:$

A. y?str
B. y!str
C. yy str
D. yy ! str
Answer» B. y!str
Discussion
11.

To sort all lines from current cursor to end of line, ____ can be used.

A. sort .,$
B. sort !G
C. sort !,G
D. !Gsort
Answer» C. sort !,G
Discussion
12.

throw an error

A. undefined behavior
B. changes the case of the current line from lower to uppercase
C. changes the case of current line from upper to lowercase
Answer» C. changes the case of current line from upper to lowercase
Discussion
13.

Which operator is used in vi to filter text?

A. %%
B. &&
C. $
D. !
Answer» E.
Discussion
14.

To change entire lines, ____ is used.

A. cc
B. CC
C. dd
D. c$
Answer» B. CC
Discussion
15.

c operator is used for changing the text.

A. True
B. False
Answer» B. False
Discussion
16.

For pasting text, ____ is used.

A. p or P
B. d or D
C. C
D. x or X
Answer» B. d or D
Discussion
17.

For yanking text, ___ is used.

A. d
B. y
C. c
D. G
Answer» C. c
Discussion
18.

dw will ________

A. deletes one line
B. deletes one word
C. deletes one character
D. deletes one sentence
Answer» C. deletes one character
Discussion
19.

For deleting the line form current cursor to the end of the line, we can use:

A. $
B. d$
C. dd
D. $d
Answer» B. d$
Discussion
20.

An operator can’t perform any function without being combined with a command or itself.

A. True
B. False
Answer» B. False
Discussion