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 11278

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

Google,

5 18261

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 22523

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

7 14017

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

2 7302

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

8 12871

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 13359

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 16442

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 14804

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

6 10600

difference between nfs soft and hard mouniting points?

Oracle,

5 16097

what are the linux boot files?

CSS, Wipro,

9 31441

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

DELL,

3 8513

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

1 7934

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 8737

Un-Answered Questions { Linux }

Which command is used to see the online manual?

1143

What daemon is used for scheduling of the commands?

1060

Does ios use linux kernel?

986

How to identify which shell you are using?

1084

What is sudo in linux?

1057

What is makefile in unix?

1173

How can we change speed and make full duplex settings for eth0?

959

How would you search for a specific employee id in a file using the vim editor?

1336

Can you replace windows with linux?

972

Is llvm a virtual machine?

1053

What is ipc message?

1014

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

929

Does hair grow back thicker after threading?

839

Why is linux cpu usage so high?

1104

What does chmod do in linux?

1157

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