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

Linux Interview Questions

Questions Answers Views Company eMail

what is difference between inetd and xinetd

2 23042

what restrict telnet for root itself but allow for other user

CA,

3 11322

how u use the iptable firewall to restrict ssh,telnet,ftp

9 22722

what is the difference between fork and thread ? and parent and child process in fork system call?

Satyam,

3 27152

what is the difference between fork() & exec()

Subex, University Exams, Yahoo,

11 49384

Hi guys, I am working in MNC from 1 and half year as Software Engg but not in programming, its in Information Security. Now I am doing RHEL 5(Red Hat certification) to move into Linux Admin. Can anyone please give me the future scope of this field and please send me the interview questions or links to get the idea. Thanks, Sushant.

2 7541

why do u want to join this company

HCL, Infosys, United Healthcare, Wipro,

6 24961

Working in Linux/Unix platform, if any command dose not work, say # ls reports as command not found. what to do?

5 12069

What is trusted/untrusted operating system?

8 17026

what is mean by system calls

Infotech,

4 16452

some one is asking my machine is slow what is your steps?

Oracle, Talent,

5 11477

My machine is running half duplex mode how to change half duplex to full duplex?

Oracle,

4 10400

what is jumbi process?

Oracle,

6 16330

what is initrd image?

IBM, Oracle,

5 19430

what is the diff b/w ext2 and ext3?

5 12348

Un-Answered Questions { Linux }

Why is it called bash?

963

How can we recover a file that was deleted in linux?

882

How do you create a blank file in linux?

1061

How many threads run at once?

932

What are the types of processes in linux?

998

What are Address Conversion Functions?

1583

Explain process id.

916

You attempt to delete a file called sales.mem using the rm command but the command fails. What could be the problem?

1126

Can python be multithreaded?

824

What are the fields in the/etc/passwd file?

889

Do threads have pids?

804

Are linux and unix the same thing?

1062

What is history command in linux?

1138

Is windows 10 better than linux?

984

Are threads faster than processes?

809

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