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 11132

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 13777

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

2 7220

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

8 12579

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 10370

difference between nfs soft and hard mouniting points?

Oracle,

5 15931

what are the linux boot files?

CSS, Wipro,

9 31161

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

DELL,

3 8375

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 8584

Un-Answered Questions { Linux }

Why bind system call is required in socket programming?

820

How do I find the linux version?

1090

How do I get to a command prompt in linux?

944

how to get client port number in server socket programming??

2378

Which command would you use if you want to remove the password assigned to a group?

945

How do I check storage on linux?

1036

How many types of dos commands are there?

1137

How many types of commands are there in linux?

1064

What do we use for managing hash table collisions?

835

Is redhat linux is free or paid?

811

Compare linux with windows?

863

Can python be multithreaded?

778

What is the difference between PATH and path?

1012

Which os do hackers use?

868

What are benefits of linux?

922

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