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 12301

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

1 5599

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 6697

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

1939

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

NetApp,

1 9438

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,

3268

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

1 3510

can we open pdf files in suse?

Intel, jetking,

3 7186

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

Perot Systems,

1 4813

What is difference between ext3 and ext4 file-system ?

TCS,

3 21398

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

2 12755

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

NetApp,

2 10424

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

NetApp,

2 9784

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

NetApp,

3 11966

Un-Answered Questions { Linux }

What is kill 9 in linux?

1029

Which command is used to terminate a process?

948

What is critical section linux?

977

Linux initially was developed for intel x86 architecture but has been ported to another hardware platform than any other operating system. Do you agree?

1054

what is inode number in linux operating system?

838

Does linux make money?

838

What is linux pwd (print working directory) command?

976

How to copy text to clipboard?

951

What is know about grep commands?

1165

What are the kinds of permissions under linux?

963

What signal is ctrl c?

968

Can linux get viruses?

832

What is cli in linux?

939

How do I see running processes in linux?

886

Why echo is used in linux?

1048

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