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 10271

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 42309

what are the various backup tools available in linux

3 8765

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 5242

what is linux utilities and editor

Oracle, Wipro,

4 8733

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

TCS,

2 21525

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

3 7703

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

4 8410

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

BPO,

2 8195

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 8784

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

4 8740

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 12034

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 10386

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 6295

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 13386

Un-Answered Questions { Linux }

What is bsd in linux?

898

What is the use of ls command?

1082

Which is fastest linux distro?

953

what is portmapper,pam and xinetd

8862

How do you look at the contents of a file named sample.z?

862

Are more threads better?

894

How do you refer to the parallel port where devices such as printers are connected?

1051

How do I know my shell?

1017

How to copy text to clipboard?

999

Users come to you and they will be saying mail server is very slow, what are the necessary steps you will take to resolve this issue in Linux?

992

What is mutex and semaphore?

1061

What command should you use to check the number of files and disk space used and each user’s defined quotas?

1125

Compare linux with windows?

916

How many commands are there in linux?

1132

What are the basic components of Linux?

1131

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