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

Linux Interview Questions

Questions Answers Views Company eMail

Which Linux distros do you have experience with?

1 5014

Why have you choosen such a combination of products?

2 4983

Which distro you prefer? Why?

IBM,

3 8276

Which tool would you use to update Debian / Slackware / RedHat / Mandrake / SuSE ?

2 8128

What does ?route? command do?

IBM,

7 20186

Display the Disk Usage of file sizes under each directory in currentDirectory ?

8 15694

Set the Display automatically for the current new user ?

3 11076

How shared memory are accessed if we have two processors trying to acquire the same region.

NetApp,

3 17564

Why do we have serial and parallel interface, which one was faster and why and when we should go for this interface.

NetApp,

4 14721

Say we have three threads T1, T2 and T3 which perform sequentially one after another is their any benefit of using thread over here rather than having a single process.

NetApp,

11 22168

What is the use of thread over process?

NetApp,

11 29058

What are the signals we have in Linux

HCL, NetApp,

3 13157

what is segmentation fault?

AdTel, NetApp,

11 39028

what is bus trap.

NetApp,

1 10775

What is the use of proc structure?

NetApp,

2 13100

Un-Answered Questions { Linux }

Differentiate between bash and dos?

934

What command used for showing user info like Login Name, Canonical Name, Home Directory,Shell etc in Linux?

1163

What are the 7 types of sentences?

1063

1. User gaves df -h and the system get hanged. why ? 2. what is the hardlink and softlink mount ? 3. why is portmape should be started ? 4. what is nologin option 5. how to restrict users from accessing nfs ? 6. what is the difference between cpio and tar 7. what are the kernel parameters ? how to find out it ? 8. why we use sysctl.conf ? 9. if we gives init1 from multiuser runlevel, will it affect other users who already logged in to the system ? 10. what will be the available space to use after configuering raid5 with 5 disks each having 5gb spce ?

2781

What does a nameless (empty) directory represent?

829

What are System Calls?

1710

What is env command in linux?

1046

Why linux is so popular?

917

What does history command do in linux?

1190

What is the command to check cpu speed in linux?

1025

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?

972

Is multithreading faster than multiprocessing?

917

How to obtain information about shared memory?

1550

What is the use of inet_addr() Function?

1435

What is filter command in unix?

972

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