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 9434

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,

3261

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

1 3507

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 4805

What is difference between ext3 and ext4 file-system ?

TCS,

3 21389

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

2 12750

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

NetApp,

2 10419

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 }

Does linux cp command overwrite?

1132

What does ls stand for linux?

878

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

1057

Explain shift command of linux?

1115

What is df command in linux?

1024

What code is linux written in?

960

How do I see threads in linux?

907

How do I run a bash script in linux?

1002

Is windows 10 built on linux?

935

What is ipc certified?

935

What is the use of ls command?

1046

Is macos better than linux?

924

What are system commands?

1089

What is the difference between spinlock and mutex?

879

Is freebsd based on linux?

892

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