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 22787

what restrict telnet for root itself but allow for other user

CA,

3 11004

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

9 22100

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

Satyam,

3 26861

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

Subex, University Exams, Yahoo,

11 48481

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 7357

why do u want to join this company

HCL, Infosys, United Healthcare, Wipro,

6 24431

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

5 11631

What is trusted/untrusted operating system?

8 16442

what is mean by system calls

Infotech,

4 16133

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

Oracle, Talent,

5 11030

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

Oracle,

4 10099

what is jumbi process?

Oracle,

6 15926

what is initrd image?

IBM, Oracle,

5 18970

what is the diff b/w ext2 and ext3?

5 11939

Un-Answered Questions { Linux }

What is top command in linux?

925

Why linux has no virus?

763

Differentiate between LINUX and UNIX?

804

Why socket programming is used?

831

How do you run command every time a file is modified?

918

Which is best linux for beginners?

854

What is cli in linux?

869

What is glibc linux?

905

Explain the linux directory commands along with the description?

892

Are threads cores?

823

What is linux kernel? Is it legal to edit linux kernel?

998

What is the command to see on which port which service is running?

959

Suppose you try to delete a file using the rm command and the deletion fails. What could be the possible reason?

938

Enlist some linux distributors (distros) along with its usage?

865

What is the scripting language used in linux operating systems?

835

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