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?

1366

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

1274

Explain mount and unmount command.

1287

What is the fork() system call?

991

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

898

Explain the method of changing file access permission?

1020

What are the pros of executing processes in the background?

922

What is the ‘nohup’ in unix?

1004

Can you explain what does the kernel do?

978

What is alias mechanism? Explain.

1051

Enlist common shells with their indicators.

1098

Name the key features of the korn shell.

1057

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

929

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

960

How would you display the last line of a file?

975

Un-Answered Questions { Operating Systems }

How do I unpack an exe file?

1139

Where can I get a free operating system?

996

what is the importance of swap memory and how it will supports?

2347

How do I open bios on windows 10?

914

What is the real mean of dhcp?

966

What is the use of sorting?

1017

Can I delete old updates to free up disk space?

999

Explain the dual channel architecture?

1081

How can I repair my hard disk without formatting?

899

What is the idea behind splaying?

1843

How do I run a bash script?

1252

How can we increase disk read performance in single command in Linux operating system?

1187

Describe the term directory?

1548

What is operating system and examples?

1156

What is a shebang line?

961

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