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

Is the Process before and after the swap are the same? Give reason.

1218

What are the entities that are swapped out of the main memory while swapping the process out of the main memory?

1011

What is ‘the principle of locality’?

975

What are conditions on which deadlock can occur while swapping the processes?

1122

What are the criteria for choosing a process for swapping into memory from the swap device?

1005

Is it possible to count number char, line in a file; if so, How?

1162

How does the kernel differentiate device files and ordinary files?

1026

What is a shell?

945

What scheme does the Kernel in Unix System V follow while choosing a swap device among the multiple swap devices?

1057

What do you mean by the protection fault?

993

What are the criteria for choosing a process for swapping out of the memory to the swap device?

1017

Which are typical system directories below the root directory?

935

Explain about the directory representation in UNIX?

939

What are data structures that are used for Demand Paging?

1007

How do you start and stop services in unix without using admin console?

1045

Un-Answered Questions { Operating Systems }

Do you need mcafee if you have windows defender?

891

How long can you use windows 10 without product key?

892

Fast I install red hat linux 4.0 and again I install sun solaris 10 after install solaris I got problem I am not able to see red hat linux what was the problem, I need toedit something, so tell me step by step configuring?

947

Is linux built on unix?

930

How do I find old commands in linux?

1080

How do I grep recursively in unix?

957

How do I do a system restore if windows won't start?

840

Explain how you can create a folder using terminal?

826

Explain different methods in which you can traverse a tree?

907

How can I check the health of my external hard drive?

1086

Is there a charge to upgrade to windows 10?

863

Does windows 8 still get updates?

787

Define the term directory?

974

What do you understand by multi-threading and multi-tasking?

1094

Why are user level threads faster than kernel level threads?

848

For More Un-Answered { Operating Systems } Questions Click Here