Explore topic-wise MCQs in Unix.

This section includes 6 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_symbols_are_a_set_of_ERE_(extended_regular_expressions)?$

A. +
B. –
C. ?
D. + and –
Answer» D. + and ‚Äö√Ñ√∂‚àö√ë‚àö¬®
Discussion
2.

Which of the following symbols are used for matching a pattern at specified locations?

A. *
B. ^
C. $
D. ^ and $
Answer» B. ^
Discussion
3.

Which symbol is used for matching a single character?

A. *
B. .
C. &
D. %
Answer» E.
Discussion
4.

Which of the following symbol is used for matching the immediately preceding character?

A. *
B. $
C. [ ]          
D. %
Answer» C. [ ]¬¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тĆ
Discussion
5.

Character class is used for matching a group of characters enclosed within a pair of _____

A. ( )
B. “ “
C. [ ]           
D. { }
Answer» D. { }
Discussion
6.

Which of the following is not a subset of BRE (basic regular expression) character subset?

A. *
B. .*
C. ^$
D. ch+
Answer» E.
Discussion