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

Linux Interview Questions

Questions Answers Views Company eMail

Enlist few advantages of red hat linux?

653

Which command will show you free/used memory? Does free memory exist on linux?

1024

Which command will show you free/used memory?

993

What does the command env do?

1001

What does comm do and how to use it?

998

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

1124

What does grep command do?

1021

What does uname command do?

1158

What does sar provide? Where are sar logs stored?

880

What is the full form of grep?

900

What is “nohup” used for?

959

List the basic components of linux?

986

What is samba?

875

What does set -o do?

894

What is the tcp handshake?

839

Un-Answered Questions { Linux }

how you will block porn sites using squid proxy in linux operating system?

894

Can two threads share the same stack?

791

How can you find a path to the file in the system?

894

Has linux ever been hacked?

836

Why are threads useful?

847

Explain getopts command of linux?

1128

What is a shell program in linux?

1050

What is gui in linux?

916

Explain the 3 kinds of file permissions under linux?

783

How environment variable is set so that the file permission can be automatically set to the newly created files?

926

What is the use of inet_addr() Function?

1431

What are the various IPC mechanisms? Why is message passing costlier than semaphore?

1113

How do you get help on a unix terminal?

945

How can I find the difference between two files in linux?

938

What is swap space?

807

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