Linux Interview Questions with Answers
Learn Linux MCQ questions & answers are available for a Computer Science students to clear GATE exams, various technical interview, Linux / Unix multiple choice questions and answers focuses on various Linux commands and their command line options & parameters. Multiple Choice Questions and Answers. Our 1000+ Linux … Lots of MCQs with Linux Systems Programming code snippet and its output
Q1.The command “mknod myfifo b 4 16”
a) Will create a block device if user is root
b) Will create a block device for all users
c) Will create a FIFO if user is not root
d) None of the mentioned
Option A – Will create a block device if user is root
Q2.Which command is used to record a user login session in a file
a) macro
b) read
c) script
d) none of the mentioned
Option C – script
Q3.Which command is used to display the unix version
a) uname -r
b) uname -n
c) uname -t
d) kernel
Option A – uname -r
Q4.Find / -name ‘*’ will
a) List all files and directories recursively starting from /
b) List a file named * in /
c) List all files in / directory
d) List all files and directories in / directory
Option A – List all files and directories recursively starting from /
Q5.Which command is used to display the octal value of the text
a) octal
b) text_oct
c) oct
d) od
Option D – Od
Q6.Which command changes a file’s group owner
a) cgrp
b) chgrp
c) change
d) group
Option B – chgrp
Q7.Which command is used to extract a column from a text file
a) paste
b) get
c) cut
d) tar
Option C – cut
Q8.Which command is used to perform backup in unix?
a) backup
b) cpio
c) zip
d) gzip
Option B – cpio
Q9.Which option of rm command is used to remove a directory with all its subdirectories
a) –b
b) –o
c) –p
d) –r
Option D – –r
Q10.Which command is used to identify file type?
a) Type
b) File
c) Finfo
d) Info
Option B – File
Q11.Command used to determine the path of an executable file is
a) which
b) where
c) wexec
d) what
Option A – which
Q12.Which of these commands could you use to show one page of output at a time?
a) less
b) sed
c) pause
d) grep
Option A – less
Q13.Which commands will give you information about how much disk space each file in the current directory uses?
a) ls -l
b) ls -la
c) du
d) ls -a
Option C – du
Q14.Which command is used to display all the files including hidden files in your current and its subdirectories ?
a) ssh
b) telnet
c) rsh
d) ftp
Option A – ssh
Q15.pwd command displays
a) user password
b) password file content
c) present working directory
d) none of the mentioned
Option C – present working directory
Q16.Which tar command option is used to list the files in a tape archive format?
a) cvf
b) tvf
c) xvf
d) ovf
Option B – tvf
Q17.Which of the following commands will allow the user to search contents of a file for a particular pattern
a) touch
b) grep
c) find
d) ls
Option B – grep
Q18.Write the command to display the current date in the form dd/mm/yyyy.
a) date +%d/%m/%Y
b) date +”%d/%m/%Y”
c) date +/%d/%m/20%y
d) date +”/%d/%m/20%y”
Option A – date +%d/%m/%Y
Q19.The command syntax to display the file ‘sample.txt’ one page at a time is
a) man sample.txt>more
b) cat sample.txt<more
c) cat sample.txt|more
d) none of the mentioned
Option C – cat sample.txt|more
Q20.How do you add (append) a file “file1” to the example.tar file
a) no you cannot add a file to example.tar
b) tar -cvf example.tar file1
c) tar -rvf file1 example.tar
d) tar -evf file1 example.tar
Option C – tar -rvf file1 example.tar
Q21.How to execute ls command inside a vi editor?
a) !ls
b) :ls
c) :!ls
d) we can’t execute
Option C – :!ls
Q22.To open a file file1 with cursor at line number 4
a) vi +num file1
b) vi +set num file1
c) vi + “set num” file1
d) vi +/se nu file1
Option A – vi +num file1
Q23.What communication command provides communication to another user logged on by writing to the bottom of their terminal?
a) talk
b) write
c) chat
d) transmit
Option A – talk
Q24.Which command will you use to see the available routes?
a) show route
b) route status
c) netstat -r
d) none of the mentioned
Option C – netstat -r
Q25.Which command is used to set limits on file size
a) fsize
b) flimit
c) ulimit
d) usize
Option C – ulimit
