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 the explanation for protection fault?

1041

What is the significance of the superuser?

987

Differentiate between absolute and related path?

2 1542

Can you explain the method of changing file access permission?

918

Name the key features of the bourne shell.

900

What command would you use to check how much memory is being used by linux?

1026

Which are the linux directory commands?

1036

Explain grep command.

1011

Explain the ‘ls’ command in linux

1091

why is the tar command used?

1064

How to write the output of a command to a file?

1070

Suppose you try to delete a file using the rm command and the deletion fails. What could be the possible reason?

991

What is the export command used for?

1009

Explain the free command.

1004

Explain process management system calls in linux?

1055

Un-Answered Questions { Operating Systems }

What is the purpose of windows explorer?

912

Explain semmns?

917

Where is data structure used?

954

What is shmmni (max-shm-ids in solaris 10+)?

784

How do I use grep to search for a file?

1053

How do I view bsod logs?

917

What do you mean by shortest path?

1054

Do ssd drives need to be defragmented?

1006

List out the advantages of using a linked list?

850

What are the 4 types of communication?

993

Where is the socket located?

891

How to remove the last line/trailer from a file in Unix script?

1009

Why is runtime broker using so much cpu?

911

What is active unix domain sockets?

901

Explain the Stack

960

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