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 22940

what restrict telnet for root itself but allow for other user

CA,

3 11183

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

9 22500

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

Satyam,

3 27042

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

Subex, University Exams, Yahoo,

11 49038

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 7458

why do u want to join this company

HCL, Infosys, United Healthcare, Wipro,

6 24746

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

5 11907

What is trusted/untrusted operating system?

8 16795

what is mean by system calls

Infotech,

4 16328

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

Oracle, Talent,

5 11307

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

Oracle,

4 10272

what is jumbi process?

Oracle,

6 16169

what is initrd image?

IBM, Oracle,

5 19263

what is the diff b/w ext2 and ext3?

5 12191

Un-Answered Questions { Linux }

How to know linux os is 32 bit or 64 bit?

1009

Why linux is the most secure?

865

You have a file called sales data and create symbolic links to it in bob’s home directory. Bob calls you and says that his link no longer works. How can you fix the link?

892

What are the main features of linux operating system?

867

How do I install linux?

844

Which daemon is used for scheduling of the commands?

1052

What are directory files in linux?

1051

What is a typical size for a swap partition under a linux system?

997

What does r mean linux?

1086

Explain how to enable root logging in ubuntu?

953

What is the Use of the inet_netof() Function?

1269

What is semaphore h?

842

What is free linux?

1086

How do I determine my ip address in linux?

974

What's the difference between unix and linux?

942

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