Unix Questions

MCQ bookmark_border

31.

Which command is used to display a file contents in octal form?

A

cd

B

od

C

of

D

oct

E

None of the above

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

32.

Which command will be used with vi editor to insert text to left of cursor?

A

s

B

S

C

a

D

i

E

None of the above

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

33.

In vi editor, forward search is performed using the command.

A

:pat

B

?pat

C

/pat

D

All of the above

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

34.

Which of the following special shell variables is used to process number of the last background job?

A

$!

B

$#

C

$0

D

$*

E

None of the above

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

35.

Which option will be used with ps command to slow the entire command line of the process being run?

A

-4

B

#NAME?

C

-1

D

-2

E

None of the above

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

36.

Which of the following command addresses all users who are currently hooked on?

A

write

B

mail

C

wall

D

mesg

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

37.

Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it

A

-r

B

#NAME?

C

#NAME?

D

-1

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

38.

Which of the following directories contain all the Alias created by a user, including his login directory?

A

/tmp

B

/etc

C

/usr

D

/dev

E

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

39.

Which of the following commands is used to obtain a list of all files by modification time?

A

ls -1

B

ls -t

C

ls -i

D

ls -R

E

None of the above

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

40.

The % key allows you

A

to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.

B

to move the cursor to the upperleft corner of the screen

C

to move the cursor backward to the beginning of a word

D

to move the cursor to the first column in the current line

E

None of the above

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion