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

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

How to Kill a Particular Process in windows?

Tomax,

5 12555

How to change the IP Address of the system in windows 95/98 and windows 2000 server system?

Tomax,

3 10016

What is Difference between thread and process?

AirTies, Azingo, Bloomberg, Encora, Goldman Sachs, HCL, HP, MES, Microsoft, Samsung,

28 270218

How to communicate between difference process?

HP, IBM,

2 11925

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 5027

What is scheduling and How it effects the processor efficiency?

HP,

2 6045

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 17230

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 10086

How to escape from external fragmentation?

HP,

2 6144

What is difference in managing processes in windows, unix, RTOS?

HP,

2912

What is the difference between mutex and semaphore?

HP, Microsoft,

14 62579

What are counting semaphores?

HP, IBM,

4 17606

which is best among semaphores and mutexes?

HP,

2 7941

which is best among pipes, queues, shared memory and why?

HP,

2 7422

What are named pipes?

HP,

3 7373

Un-Answered Questions { Operating Systems }

Explain accessors to a layman.

1222

Can I convert exe to apk?

1005

why metadb requires a seperate slice to create Solaris volume manager

3256

Which language is best to learn data structures?

1047

How can you enhance the security of password file?

1111

How do I unzip multiple folders at once?

953

Explain binary representation?

929

Differentiate cmp command from diff command.

1238

How to de fragment your hard drive in windows xp?

1012

Is it possible to run a python script as a service in windows? If possible, how?

903

What is windows host process rundll32 virus?

845

What utility would you use to replace a string ‘2001’ for ‘2002’ in a text file?

1000

How to uninstall software with the command line in linux?

926

What are lists?

996

How to remove the first line/header from a file in Unix?

1107

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