Unix - Computer Science Multiple Choice Questions and Answers

(16) The shell metacharacter $# represents

[A] Total number of users who have logged in

[B] Total number of processes running in the background

[C] Total number of arguments supplied to the shell script

[D] Total number of files in the current directory

Answer: Option [C]

(17) To delete 5 lines from a file and copy them to a buffer named x you would use the command

[A] “d5xd

[B] “5xdd

[C] “dd5x

[D] “x5dd

Answer: Option [D]

(18) Which of the following commands DO NOT belong to multiple file editing ?

[A] :n!

[B] :q!

[C] :rew!

[D] all of these

Answer: Option [D]

(19) To search a pattern which starts with uni, the command is :

[A] ^.∧<uni

[B] ^∧<uni

[C] ^∧<uni>

[D] None of the above

Answer: Option [A]

(20) Which of the following is a popular terminal emulation of software

[A] Perl

[B] VTERM

[C] VT100

[D] COMIT

Answer: Option [C]

Unix Multiple Choice Interview Questions and Answers | Page-4