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

Windows (3805)
Linux (2255)
Unix (1343)
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 12307

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

Tomax,

3 9887

What is Difference between thread and process?

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

28 269162

How to communicate between difference process?

HP, IBM,

2 11776

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

HP,

1 4935

What is scheduling and How it effects the processor efficiency?

HP,

2 5901

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

HP,

6 17010

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9976

How to escape from external fragmentation?

HP,

2 6032

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

HP,

2855

What is the difference between mutex and semaphore?

HP, Microsoft,

14 62053

What are counting semaphores?

HP, IBM,

4 17401

which is best among semaphores and mutexes?

HP,

2 7802

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

HP,

2 7291

What are named pipes?

HP,

3 7243

Un-Answered Questions { Operating Systems }

How do you sort pseudocode?

878

Explain cycle stealing?

1001

How do I clean up and speed up my laptop?

963

Is chrome an operating system?

961

Is windows defender good antivirus?

891

What is difference between program and x86?

1028

Define disjoint set adt?

934

What causes the rpc.ttdbserverd process to be cpu bound?

1104

What is linked hash set?

833

What is meant by the term super user?

867

What is the purpose of hard disk?

1078

How to enhance the security of password file in linux?

1013

Is hashmap sorted?

947

How many run levels are there and what are they?

967

What is busy waiting in windows operating system?

871

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