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

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

What do chmod, chown, chgrp commands do?

1356

What is the command to find maximum memory taking process on the server?

1268

Explain mount and unmount command.

1282

What is the fork() system call?

981

What are the possible return values of kill() system call?

888

Explain the method of changing file access permission?

1012

What are the pros of executing processes in the background?

919

What is the ‘nohup’ in unix?

997

Can you explain what does the kernel do?

972

What is alias mechanism? Explain.

1045

Enlist common shells with their indicators.

1094

Name the key features of the korn shell.

1052

Explain the following statement, “it is not advisable to use root as the default login.”

925

How can you edit a large file without opening it in unix?

952

How would you display the last line of a file?

968

Un-Answered Questions { Operating Systems }

What is a circular singly linked list?

980

What is pthread_mutex_t in c?

916

What is 0x0000005 error?

1144

What do you mean by file extension?

1034

How much ram do you need for windows 10?

899

Explain what is scheduling?

1112

What do you mean by articulation point?

1067

Will steam run on linux?

909

How do I use the run command in windows?

986

What are go channels?

1023

What is default size of hashmap?

960

When does page fault error occur?

1104

What is weight balanced tree in data structure?

948

What are the 7 types of sentences?

1116

How will you restrict ip so that the restricted ip’s may not use the ftp server?

1015

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