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

Linux Interview Questions

Questions Answers Views Company eMail

what is stored at /lib/modules ?

NetApp,

2 9006

What is atomic function / atomic variable ?

Broadcom,

1 11934

if one of the critical section code (linked list) is under ISR & another one in kernel thread ? How you will synchronize for this critical section code ?

NetApp,

4 9696

Why bind system call is required in socket programming ? what is it;s Significance ?

Cavium Networks, IBM,

3 13895

Q. what is the difference between socket & port ?

Cavium Networks,

2 11045

what is memory mapped / IO mapped ? Which calls used for this to access any hardware address in linux device driver ?

Broadcom,

3 9623

WHAT IS THE MEANING IF AIX

IBM,

5 9283

What are the IPC techniques ? explain each

Datasol, emc2,

3 16915

is it possible to break the grub password in linux

6 11043

i installed clustering packages.When i try to run it getting LUCI error...what is it..??

2372

what is the difference betweenh the NFS and FTP?

IBM,

4 41730

what are the different types of Backups..?

IBM, SDG,

6 13717

what is NIS Server...?

IBM,

2 6096

commands regarding the adding of users into groups n different options with useradd...?

IBM,

5 9859

In how many ways linux can be installed n explain th steps involved in installation in any of the method..?

IBM,

1 5932

Un-Answered Questions { Linux }

What are the main difference between nfs and samba servers?

888

How can you enhance the security of the password file?

825

Explain about sh?

990

Is arch linux good for programming?

842

What is “nohup” used for?

959

What are the types of shell in linux?

929

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

830

How to Understand Network Byte Order?

1349

How do I check my cpu cores?

1005

Are threads faster than processes?

758

How to Initialize Semaphores?

1647

In order to display the last five commands you have entered using the fc command, you would type?

924

What is difference between processes and threads?

912

How to stop a process running in linux?

975

What is the difference between ext2 vs ext3 vs ext4?

979

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