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

You wish to restore the file memo.ben which was backed up in the tarfile mybackup.tar. What command should you type?

1000

You attempt to delete a file called sales.mem using the rm command but the command fails. What could be the problem?

1139

You have a tab delimited file called phonenos and want to change each tab to four spaces. What command can you use to accomplish this?

1128

How can you copy lines into the buffer in command mode?

1152

Explain shift command of linux?

1175

What command should you use to check your file system?

1088

What are the process states in linux?

878

Explain each system calls used for process management in linux.

932

You have a file called docs.z but do not know what it is. What is the easiest way to look at the contents of the file?

973

Which transistor is used in each cell of eprom?

992

How do you start a job on background?

934

You have a file called sales data and create symbolic links to it in bob’s home directory. Bob calls you and says that his link no longer works. How can you fix the link?

950

What is linux shell?

932

Which processor structure is pipelined?

957

Name two forms of security.

925

Un-Answered Questions { Operating Systems }

What is 64 bit platform?

1070

What does the swapping system do if it identifies the illegal page for swapping?

1120

What is the best free pc repair software?

959

How can we reverse a singly linked list?

1105

What is the best bsd?

979

How do you check if your computer is 32 or 64 bit?

1035

Define root?

1044

What is rundll32 exe virus?

957

What are the main elements of windows desktop?

1023

What is the right pane of windows explorer?

967

What are the three major components of any unix system?

895

Why do we use dynamic arrays?

924

What is the role of semaphores in linux?

889

What types of files you know?

981

Explain what are the unix system calls for i/o?

979

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