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

Linux Interview Questions

Questions Answers Views Company eMail

What is stack?

896

What utility would you use to replace a string ‘2001’ for ‘2002’ in a text file?

942

What is kernel? Explain the task it performs.

849

What is the major advantage of a hash table?

866

What are the techniques that you use to handle the collisions in hash tables?

953

What utility would you use to cut off the first column in a text file?

887

After copying a file to a floppy disk, what should you do before removing the disk?

812

What would you use to edit contents of the file?

831

What does nslookup do?

879

You have a file called phonenos that is almost 4,000 lines long. What text filter can you use to split it into four pieces each 1,000 lines long?

1 1302

Please write a loop for removing all files in the current directory that contains a word ‘log’?

1 1351

How do you list all files in a directory, including the hidden files?

1 1353

You want to search for sale and sales. What regular expression should you use?

831

What is the fastest way to enter a series of commands from the command-line?

1059

Which command is used to check the number of files and disk space used and the each user’s defined quota?

1048

Un-Answered Questions { Linux }

How to read socket file in linux?

956

Explain linux shell?

869

What does c mean in linux?

1011

How to uninstall software with the command line in linux?

850

What the command used for list the contents of your home directory, current directory and all subdirectories?

953

How do I put games on playonlinux?

862

How do I run whois command?

1047

What does sar provide? Where are sar logs stored?

880

How do you sort cpu in top command?

1077

What do cores and threads mean?

847

Is it possible to use shortcuts for a long pathname?

879

Is linux important to learn?

846

How to activate / deploy licence in RHEL 6 and what will happen if you don't activate / deploy licence in RHEL 6 ?

2681

What are semaphores in linux?

928

How to give acl permission in numerical mode on linux?

989

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