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

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 5130

what is linux utilities and editor

Oracle, Wipro,

4 8591

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

4 8253

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

BPO,

2 8105

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 8589

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

4 8569

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 11852

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 10173

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 6166

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 13197

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

CTS,

3 11137

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

Google,

5 18082

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 22366

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

7 13783

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

2 7222

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Un-Answered Questions { Linux Commands }

Brief about FTP hostname?

1094

Is a command a full sentence?

1066

What is p command?

1110

How do you know which shell I am using in linux?

1077

can any one send me one project on linux ...?

2782

What does uname command do?

1165

What is llvm used for?

1134

What is linux pwd (print working directory) command?

972

What is shell scripting commands?

1191

What are the commands used in command prompt?

1004

What does uname do in linux?

1115

What does umask 077 mean?

990

How do I check storage on linux?

1038

Main configuration file and command used for NFS enabling exported directories and deamons?

1040

What is tty name?

946

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