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

Explain what is standard unix streams ?

1034

Explain what is a fifo?

1053

Discuss briefly about the directory representation in unix.

1069

What is standard unix streams ?

1139

Explain what is inode?

1039

How do we change file access permissions?

1197

Explain how do we change file access permissions?

996

Explain how do you create special files like named pipes and device files?

1005

You want to verify which lines in the file kickoff contain ‘bob’. Which of the following commands will accomplish this?

1060

You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?

1034

You want to know how many lines in the kickoff file contains ‘prize’. Which of the following commands will produce the desired results?

1069

What would be the result of issuing the command cat phonenos?

1170

List the three main parts of an operating system command?

974

What command would you use to create an empty file without opening it to edit it?

1081

You want to copy the user’s home directories to a new location. Which of the following commands will accomplish this?

1031

Un-Answered Questions { Operating Systems }

Where is .exe located?

985

What are win32 applications?

870

What are the Uses of mmap?

1746

For what purpose linux is used?

938

How does a hard drive get corrupted?

964

How do you get its usage (a filesystem)?

935

Tell me what is quick sort?

961

Are linked lists useful?

957

What are grep patterns called?

1087

Is there an alternative to windows?

897

Why bash is used in linux?

1116

What is a spanning tree in data structure?

1025

What are two different models of ipc differentiate both?

1126

What are the commands used in command prompt?

1054

What is the command for registry editor?

921

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