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

Linux Interview Questions

Questions Answers Views Company eMail

Why ls -F dev/log file output indicate as = sign at end of the file name?

HCL, IBM,

5 12262

Why halt -p command needs root in ubuntu if one wants to shut it down?

1 5585

Friends, I don't have enough free space in root directory. but in home directory I have 40gb free. So I can not install anything in root directory (which occupies more space) Please suggest me If there is any possibility to increase the root directory size by minimising the home directory's.

3 6685

Is there any specific way to identify whether a data transfer done is a DMA(Direct Memory Access) transfer, thereby seeing the code snippets?

1926

what is the difference between user APIs and kernel system calls ?

NetApp,

1 9413

what are different ways the context switch happens from user to kernel space or vice-versa ?

Alcatel,

2639

Boot sequence of linux on embedded platform

NetApp,

3251

can we open microsoft word document,power point etc. on linux suse version and vise versa? if no how can we convert this?

1 3500

can we open pdf files in suse?

Intel, jetking,

3 7159

1). What are the situation in process is duplicate is linux box.? 2) Give me 5 situation to kill a process?

Perot Systems,

1 4791

What is difference between ext3 and ext4 file-system ?

TCS,

3 21375

what happens when we do insmod & rmmod in Linux Device Drivers ?

2 12732

what kind of information the linux driver modules (.ko ) files has ?

NetApp,

2 10401

what are the different ways the Linux can swich from User Space to Kernel Space & vice-versa ?

NetApp,

2 9757

what is stored in /proc ? what is significance of /proc in linux ?

NetApp,

3 11936

Un-Answered Questions { Linux }

How do I create a .txt file?

971

Does bsd use linux kernel?

847

What is hyperthreading good for?

789

Does linux need a firewall?

850

Is mac same as linux?

1104

What are processes and threads?

897

How to Obtaine the Socket Address?

1434

How many commands are there in linux?

1070

What would be the result of issuing the command cat phonenos?

1043

Write a command that will look for files with an extension "c", and has the occurrence of the string "apple" in it.

1730

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

1053

What is a thread os?

849

Where linux is used?

897

Can linux run on 2gb ram?

926

What is Syntax of any Linux command?

1181

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