Explore topic-wise MCQs in Technical MCQs.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following filter is used to remove duplicate lines?

A. cat
B. sed
C. uniq
D. grep
E.
Answer» D. grep
2.

Which of the following is not filter in unix?

A. cat
B. head
C. tail
D. cd
Answer» E.
3.

If there are special characters in a pattern, then we've to enclose them in ______

A. single quotes
B. double quotes
C. Without any quotes
D. None of the above
Answer» C. Without any quotes
4.

Which option is used ignores first x fields when sorting?

A. -x
B. +x
C. -X
D. +X
Answer» C. -X
5.

Which command is used to arranges lines of text alphabetically or numerically?

A. sort
B. psort
C. asort
D. series
Answer» B. psort
6.

What does -c operation do in grep command?

A. Matches either upper or lowercase.
B. Prints only the count of matching lines.
C. Prints the matched line and its line number.
D. Prints all lines that do not match pattern.
Answer» C. Prints the matched line and its line number.
7.

Which command searches a file or files for lines that have a certain pattern?

A. erep
B. pgrp
C. grep
D. drep
Answer» D. drep
8.

To make a pipe, put a ________ on the command line between two commands.

A. |
B. /
C. \
D. $
Answer» B. /
9.

What is true about pipes in unix?

A. Pipe can connect two commands together so that the output from one program becomes the input of the next program
B. To make a pipe, put a hash (#) on the command line between two commands.
C. Two or more commands connected in this way form a pipe.
D. Both A and C
Answer» E.