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

Linux Commands Interview Questions

Questions Answers Views Company eMail

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 5007

what is linux utilities and editor

Oracle, Wipro,

4 8376

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

4 8042

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

BPO,

2 7953

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 8339

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

4 8380

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 11613

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 9827

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 5999

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 12909

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

CTS,

3 10961

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

Google,

5 17869

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 22135

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

7 13415

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

2 7099

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Un-Answered Questions { Linux Commands }

What command should you use to check your file system?

949

How do I check my cpu cores?

957

How do I check command history?

986

What are the command prompt commands?

999

What does grep grep do?

866

How do I change directories in linux command line?

899

What is the best cpu stress test?

891

What daemon is used for scheduling of the commands?

945

What is the role of case sensitivity in affecting the way commands are used?

1071

What is unix finger command?

937

What is git command?

934

What does make clean command do?

963

What does r mean linux?

988

I am using RedHat 6.3 in I wanna to install and configure zimbra mail. Can anybody tell me what are the RPM packages required for zimbra mail ? Where can I get those RPM packages ?

1685

What is $@ in shell?

904

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