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?

903

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

944

What is kernel? Explain the task it performs.

856

What is the major advantage of a hash table?

878

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

963

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

891

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

827

What would you use to edit contents of the file?

842

What does nslookup do?

883

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 1307

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

1 1359

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

1 1361

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

835

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

1067

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

1052

Un-Answered Questions { Linux }

What is mkdir p linux?

1066

What is linux network interface?

993

What does 4 cores 8 threads mean?

766

What are the advantages of arch linux?

914

Which mint linux is best?

840

Why we use red hat linux?

904

Is freenas linux?

938

what are different ways the context switch happens from user to kernel space or vice-versa ?

2641

How will you suspend a running process and put it in the background?

1586

What is the difference between linux and bsd?

949

What is makefile target?

1050

How lilo is useful in linux?

976

Can one thread run on multiple cores?

772

How can you run a linux program in the background simultaneously when you start your linux server?

1110

Is linux affected by viruses?

947

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