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Linux Operating System MCQ Question with Answer

Linux Operating System MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 22
Which of the following command is used to assign a new name to the Linux built commands?

newcmd
new
alias
aliasname

Question No : 23
Which of the following directories that contain the executable binary files that require root privileges to perform tasks?

/sbin
/lib
/bin
/opt

Question No : 24
Which of the following command is used to display only directories that exist in the current directory?

ls l | grep ^d
ls | grep ^d
ls l | grep #d
ls l | grep *d

Question No : 25
There are the following statements that are given below, which of them are correct about the id command in the Linux operating system?
a) This command describes the user id.
b) This command describes the group id.
c) This command describes the list of groups belongs to the user.
d) All the above
Options:

A and B
A and C
B and C
D

Question No : 26
Which of the following command is used to enable the shell expansion?

shell +x
shell -x
set -x
set +

Question No : 27
There are the following statements that are given below, which of them are correct about Linux?
a) Linux is system software.
b) Linux is a multitasking operating system.
c) Linux was developed by Dennis Ritchie
d) Linux is an open-source operating system.
Options:

A and B
B and C
A, C, and D
A, B, and D

Question No : 28
Which of the following commands are used to view the content of file screen wise?
a) more
b) less
c) cat
d) tac
Options:

A and B
C and D
A and C
B and C

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