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 4174

what is linux utilities and editor

Oracle, Wipro,

4 6715

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

4 6650

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

BPO,

2 6827

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 6601

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

4 6910

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 9743

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 7778

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 4903

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 11110

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

CTS,

3 9580

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

Google,

5 16542

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 20400

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

7 11342

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

2 6300


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Un-Answered Questions { Linux Commands }

Explain about the command lynx?

645


How do I find command history in linux?

464


What are two functions the move mv command can carry out?

574


What is $@ in bash?

522


What does chmod 755 do?

458






What are the basic dos commands?

528


What is $@ in makefile?

536


How do I check cpu usage?

556


Why makefile is used in linux?

523


What is the command to delete a file linux?

496


What is linux pwd (print working directory) command?

505


How can we increase disk read performance in single command?

530


What is history command in linux?

516


What is makefile target?

500


What does r mean linux?

581