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Linux Commands Interview Questions
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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 3423

what is linux utilities and editor

Oracle, Wipro,

4 5232

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

4 5521

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


2 5745

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 4987

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

4 5572

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


5 7726

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 5696

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 3940

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 9359

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


2 8248

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


5 15148

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 18060

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

7 9357

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

2 5435

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Un-Answered Questions { Linux Commands }

How do I find command history in linux?


Which command is used to delete a group?


What does kill in linux?


What is cmake in linux?


How do I do a whois search?


What is cpu in linux?


How do I list all processes in linux?


What are the basic commands in command prompt?


You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?


How much ram do I have linux?


What is Data Command?


How do I check cpu usage?


Explain about refer?


What is the difference between cd and cd in linux?


What is devops model?