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

Linux Interview Questions

Questions Answers Views Company eMail

how nfs server works in linux.........please mention the nfs server working process

2 10149

how many types of user accounts are available in linux os? if i assign a uid below 500 to a normal user..wat wil be happened?

5 42117

what are the various backup tools available in linux

3 8602

Hi All of Unix/Linux professional Q.Why soft link file not open by cat command. Ihave make following symbolic link but when i open with #cat linkfilename it does not oped please see the following code and try to answer. # ln -s file1 ~/mydir/filea [root@dhcppc0 ~]# cd mydir [root@dhcppc0 mydir]# ls -l total 4 lrwxrwxrwx 1 root root 5 2010-04-04 09:04 filea -> file1 [root@dhcppc0 mydir]# cat filea cat: filea: No such file or directory

2 5115

what is linux utilities and editor

Oracle, Wipro,

4 8578

what is difference between nfs server version 2,3 and 4? please tell me as many as differrnces?

TCS,

2 21375

Is it possible to give access to a nfs share to a particular user in a particular system?

3 7562

what is snmp and for what purpose we are using in linux

4 8227

if i run ls command it will show me the junk output what is problem and how to resolve it

BPO,

2 8087

if i have one folder say aaa and that folder having 100 files from that 50 files there aaa word is written how to find in which aaa is writen and without opening that file

6 8556

what r the different command to check ram,process and hdd of linux machine

4 8542

A file which is not deleted by normal user and also root (using rm), for that type of file how we delete it?

CTS,

5 11820

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 other procedure to give a root password?

8 10137

My linux machine is crashed due to root file system, I need not to bother about the root file system, but i need to take care of /etc, /usr, like that.,, can i recover these file systems?

2 6146

How can I know my linux os is 32 bit or 64 bit? and How can i know my CPU is 32 bit or 64 bit in linux machine environment.?

7 13149

Un-Answered Questions { Linux }

What are the different types of sockets?

899

Is macos better than linux?

912

Why kerberos?

874

Why linux is virus free operating system?

951

mount -r is used to mount a file in read only mode. State Whether True or False?

909

What are concurrent threads?

873

Can linux computer be made a router so that several machines may share a single internet connection? How?

910

What is $$ in shell script?

957

How can we find the current value for shell variables?

931

Why is it suggested to disable journalism in ext4 filesystem?

3573

Explain regular expressions?

874

Why should I use red hat linux?

871

You want to verify which lines in the file kickoff contain ‘bob’. Which of the following commands will accomplish this?

1001

How can we increase disk read performance in single command in Linux operating system?

1129

What are the some unix operating system names?

847

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