Linux Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Linux Interview Questions

Questions Answers Views Company eMail

How to root mirror in linux?

1061

Explain any one service which are working on udp only?

892

How to recover /etc/passwd file and /etc/shadow file?

984

You suspect that you have two commands with the same name as the command is not producing the expected results. What command can you use to determine thelocation of the command being run?

1062

How lilo is useful in linux?

974

How many interfaces(ethernet cards) are working using single command?

998

You locate a command in the /bin directory but do not know what it does. What command can you use to determine its purpose

1041

How to give acl permission in numerical mode on linux?

988

How to hide the partition in grub booting?

1075

Explain difference between nfs soft and hard mouniting points?

945

you wish to create a link to the /data directory in bob's home directory so you issue the command ln /data /home/bob/datalink but the command fails. What options hould you use in this command line to be successful.

979

What is vnc?

1028

Suppose I lost a root password and I need to give it, I treid to change it through single usermode even though I am not get a password, then what is the otherprocedure to give a root password?

962

How to know linux os is 32 bit or 64 bit?

999

Explain difference between swap partition and swap file?

928

Un-Answered Questions { Linux }

What is du -s * | sort -k1,1rn | head command used for?

901

What make install does?

928

Describe the mknod command and when you’d use it.

1124

Can you install linux on any laptop?

899

What is the difference between an argument and an option (or switch)?

859

Is linux always free?

831

What are system calls used for process management in linux?

1108

Which way of creating thread is better?

742

Is linux a scripting language?

908

Is kali linux legal?

922

What is the difference between a mutex and a semaphore?

931

Are there viruses on linux?

805

Explain process id.

862

What is kernel level thread?

816

Explain trap command; shift command, getopts command of linux?

1065

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