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 an object array?

901

What is a vector class?

822

How do you sort pseudocode?

845

What are inodes in Linux?

1 1503

What is the difference between SSH and Telnet?

1 1474

What is the difference between a hard link and a soft link?

1 1433

What is the difference between kill, pkill, and killall?

1 1429

What is the difference between ‘apt’ and ‘yum’?

1 1403

What does the 'cd' command do in Linux?

1 1539

How would you check the available disk space on a Linux system?

1 1586

What is the purpose of the 'chmod' command?

1 1655

How do you view the contents of a file in Linux?

1 1474

Explain how you would find a specific string in a file.

1 1464

How do you list all the files in a directory, including hidden files?

1 1490

What is the purpose of the 'ps' command?

1 1558

Un-Answered Questions { Operating Systems }

What are the features of linux os over other operating systems etc?

899

Who invented grep?

1121

How does thread pool keeps the thread alive?

729

How do I download windows explorer?

819

How to remove certain lines from a file in Unix?

956

How do I fix winword exe application error on windows 10?

793

Define double linked list?

905

What are different types of algorithms?

855

Is heap sort faster than quicksort?

782

What is external command?

856

What is the difference between hashset and linkedhashset?

948

Does list maintain insertion order?

837

What is the main technical difference between window xp and window 7?

831

Explain the uses of b+ tree.

870

What does history command do in linux?

1077

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