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 12326

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

Tomax,

3 9893

What is Difference between thread and process?

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

28 269255

How to communicate between difference process?

HP, IBM,

2 11786

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

HP,

1 4940

What is scheduling and How it effects the processor efficiency?

HP,

2 5910

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

HP,

6 17029

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9983

How to escape from external fragmentation?

HP,

2 6042

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

HP,

2857

What is the difference between mutex and semaphore?

HP, Microsoft,

14 62082

What are counting semaphores?

HP, IBM,

4 17413

which is best among semaphores and mutexes?

HP,

2 7809

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

HP,

2 7294

What are named pipes?

HP,

3 7251

Un-Answered Questions { Operating Systems }

Is a list an array?

846

How to detect windows 64-bit platform with .net?

847

Why is hashmap faster than arraylist?

1029

Is windows live still available?

932

Does linked list allow null values?

830

How do you know when chkdsk is finished?

900

How do you perform a clean install of windows?

831

What's the difference between x86 and x64?

1056

How do I manually register a dll in windows 10?

858

What is the difference between hashset and arraylist?

985

Is learning linux worth it?

913

Explain the mount and unmount system calls?

1069

What is readers-writers problem?

1043

The hierarchy of a series of directories branching in a user system starts from?

947

How does the system detect thrashing?

1194

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