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

What is a mission critical system?

CSE,

2342

What is the important aspect of a real-time system?

3343

If two processes which shares same system memory and system clock in a distributed system, what is it called?

IBM,

2 7959

What is the state of processor, when a process is waiting for some event to occur?

3 7810

What do you mean by deadlock?

2 5881

Explain the difference between micro-kernel and macro-kernel? Give an examples of micro-kernel and macro-kernel?

1 9379

When would you choose bottom-up methodology?

2584

When would you choose Top-down methodology?

2325

Why paging is used?

2 12351

Which is the best page replacement algorithm and why? How much time is spent usually in each phases and why?

3 14345

Difference between Primary storage and secondary storage?

3 25750

What is multi-tasking, multi-programming,multi-threading?

TCS,

9 47730

What is software life cycle?

2 5196

what is Demand Paging?

2 7693

What is Thrashing?

IBM, Wipro,

19 68325

Un-Answered Questions { Operating Systems }

Is a list an array?

838

Explain the refresh operation in a dynamic ram?

1193

How do I xcopy a folder?

1030

Explain briefly about linker and its functioning?

1032

How do I open safe mode in windows 10?

853

How do I view dll files in windows 7?

847

Which kernel is used in windows?

889

how to add an item to the beginning of the list?

970

How long can you use windows 10 without product key?

890

How do I unregister a dll in windows 10?

830

What does set -o do?

895

Is it safe to delete junk files?

1030

What does winword exe mean?

806

What is linux kernel?

889

What is pathping command?

1008

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