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

Linux Interview Questions

Questions Answers Views Company eMail

I want to kill zombie process, but with using kill 9 i cannot kill that process? can u tell other commands?

CTS,

3 11131

In my linux machine, i lost /etc/passwd file and /etc/shadow file, then how can i recover it?

Google,

5 18080

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 22365

How to monitor ports in a linux machine, with single command?

7 13774

What is the status code 403,404 represented in apache server?

2 7219

I want to see how many interfaces(ethernet cards) are working using single command?

8 12572

I want to built a fire wall using iptables. My condition is " inbound to 192.168.0.2 with a port of 80 from 172.168.0.1 should accept"

NetEnrich,

6 13134

I know ssh, telnet, dns,apache all are worked on TCP/UDP but i want to know any one service which are working on UDP only?

Wipro,

10 16113

Q. If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred ?

IBM, IMB,

6 14585

why LINUX is fast processing software and why it does not get viruses.

6 10369

difference between nfs soft and hard mouniting points?

Oracle,

5 15930

what are the linux boot files?

CSS, Wipro,

9 31156

Without Using $date -dyesterday. How I get the yesterday's date ?

DELL,

3 8374

What are the questions we are expecting for 2yrs. experience guy for linux company interview questions?

1 7850

Without using w command how can Iknow that who are users logged in and what they are doing and whether they are idle or running mode?

4 8583

Un-Answered Questions { Linux }

What does mkdir mean in linux?

1127

how do you list and flush all ip tables in linux?

858

Is gnu the same as linux?

840

What is bash command?

1026

How to stop a process running in linux?

983

What is named semaphore?

937

Are threads as good as cores?

865

Is linux is free?

850

How do you access partitions under linux?

1185

How do I know my shell?

977

How do I search bash history?

888

What is the difference between an environment and a local variable?

924

What does touch do in linux?

980

What does && mean in linux?

1116

Explain the linux directory commands along with the description?

947

For More Un-Answered { Linux } Questions Click Here