Computer Science - Unix

Exercise :: Unix - Section 1

26. 

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

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

27. 

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

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

28. 

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

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

29. 

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

A. -4
B. -f
C. -1
D. -2
E. None of the above

Answer: Option B

Explanation:

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30. 

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

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.