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 12295

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

1 5596

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 6695

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

1936

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

NetApp,

1 9435

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

Alcatel,

2641

Boot sequence of linux on embedded platform

NetApp,

3263

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

1 3508

can we open pdf files in suse?

Intel, jetking,

3 7179

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

Perot Systems,

1 4808

What is difference between ext3 and ext4 file-system ?

TCS,

3 21389

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

2 12751

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

NetApp,

2 10420

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

NetApp,

2 9775

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

NetApp,

3 11962

Un-Answered Questions { Linux }

1)Can we extend /root partition in RHEL 6 ? If yes then what are the steps?

1329

How do you go to a directory in linux?

862

Is freebsd faster than linux?

837

What is meant by latch?

892

Hi All we are porting are application from linux 2.4 to 2.6 .Please let me know what kind of manual balck box testing we can use to test application and how.

1961

Brief about the command nn?

1034

How do you grep?

964

Why is mutex needed?

798

What is the benefits of using linux?

945

Can threading cause hair to grow back thicker?

765

you have forgotten the root password how would you retrieve it in linux operating system?

843

What is the role of kudzu?

856

Are pthreads kernel threads?

829

What is the root account?

869

How to check memory stats and cpu stats as a linux admin?

949

For More Un-Answered { Linux } Questions Click Here