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 12466

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

1 5671

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 6805

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

1996

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

NetApp,

1 9514

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

Alcatel,

2713

Boot sequence of linux on embedded platform

NetApp,

3335

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

1 3582

can we open pdf files in suse?

Intel, jetking,

3 7356

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

Perot Systems,

1 4896

What is difference between ext3 and ext4 file-system ?

TCS,

3 21532

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

2 12871

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

NetApp,

2 10556

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

NetApp,

2 9870

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

NetApp,

3 12119

Un-Answered Questions { Linux }

Can you run linux on a macbook pro?

987

Which is fastest ipc mechanism?

977

What is kill command?

1101

What is the difference between socket and port?

1007

What are kernel threads?

895

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

1158

Enlist few advantages of red hat linux?

706

How to Test with Other IP Numbers?

1550

What is a swap space?

923

What is Connection style?

1789

What is the lightest version of linux?

931

What is socket linux?

885

How to write the output of a command to a file?

1136

Where does the name yellow dog come from?

874

What is a makefile in linux?

1048

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