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 22929

what restrict telnet for root itself but allow for other user

CA,

3 11181

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

9 22484

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

Satyam,

3 27029

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

Subex, University Exams, Yahoo,

11 49000

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 7455

why do u want to join this company

HCL, Infosys, United Healthcare, Wipro,

6 24731

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

5 11888

What is trusted/untrusted operating system?

8 16780

what is mean by system calls

Infotech,

4 16319

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

Oracle, Talent,

5 11297

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

Oracle,

4 10265

what is jumbi process?

Oracle,

6 16158

what is initrd image?

IBM, Oracle,

5 19238

what is the diff b/w ext2 and ext3?

5 12181

Un-Answered Questions { Linux }

What is parallel ssh?

1000

What is the major advantage of a hash table?

877

I want to configure production interface and manage interface, how to configure both interfaces in Linux. please post the answers

2026

As a system admin i want to know some things what are the troubleshooting issues we are facing frequently and what are the tickets will be raised.

1565

How do I set permission to run in linux?

1158

How do I find old commands in linux?

1085

What are the functions of a linux operating system?

951

What is deadlock example?

881

What is apt get linux?

871

Can linux run windows games?

853

How do I search for a specific word in vi linux?

771

How to Create Pipes?

1716

How do makefiles work?

1057

How to Controll and Deallocate Shared Memory?

1657

What is a ulimit in unix?

1089

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