Explore topic-wise MCQs in Unix.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.

1.

_____OPTION_IS_USED_FOR_TAKING_INSTRUCTIONS_FROM_A_FILE.?$

A. -f
B. -e
C. -i
D. -n
Answer» D. -n
2.

WHICH_OPTION_IS_USED_WITH_SED_FOR_USING_MULTIPLE_INSTRUCTIONS??$

A. -f
B. -n
C. -e
D. –f and -e
Answer» B. -n
3.

To select lines containing gupta and agarwal, which command will be used?$

A. sed -n ‘/gupta/,/agarwal/p’ emp.lst
B. sed -n ‘/gupta/agarwal/p’ emp.lst
C. sed ‘/gupta | agarwal’p’ emp.lst
D. sed -n
Answer» D. sed -n
4.

To perform context addressing, we have to enclose the pattern in ____$

A. double quotes
B. single quotes
C. / /
D. $ $
Answer» B. single quotes
5.

The command $ sed -n ‘$p’ emp.lst will display the last line.$

A. True
B. False
Answer» B. False
6.

To suppress the behavior of ‘p’ command of sed, we use ____ option.$

A. -q
B. -n
C. -i
D. -v
Answer» C. -i
7.

Which of the following command is used with sed for outputting as well as printing the selected lines?

A. q
B. n
C. p
D. i
Answer» D. i
8.

Which one of the following command will be used for quitting after selecting 3 lines from file emp.lst?

A. sed -n 3 emp.lst
B. sed -i 1-3 emp.lst
C. sed ‘3q’ emp.lst
D. sed -n
Answer» D. sed -n
9.

What is the correct syntax for using sed?

A. sed options file(s)
B. sed options ‘action’
C. sed options ‘address action’ file(s)
D. sed ‘action’ file(s)
Answer» D. sed ‚Äö√Ñ√∂‚àö√ë‚àö‚â§action‚Äö√Ñ√∂‚àö√ë‚àö¬• file(s)
10.

Which of the following commands is known as stream editor?

A. sed
B. grep
C. grep
D. tr
Answer» B. grep