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

Explain the difference between command and utility in unix?

949

Tell me how to protect a process from others to kill?

828

Explain what is critical section?

970

Explain what is protection boundary?

1039

Explain what is scheduling?

1045

Explain the different kinds of threads?

1040

Explain the architectural differences between user-space threads, and kernel-supported threads?

976

Explain the performance differences between user-space threads and kernel-supported threads.?

1231

Tell me when should we use thread-safe "_r" library calls?

885

Explain how to work unix commands on windows xp without installing unix o/s in pc?

968

Explain the difference between svm and vxvm?

945

Tell me how to set the path for core file?

995

Explain the vmstat output?

1051

Tell me how to discover global zone name from local zone?

1029

Explain what is multi homed system?

979

Un-Answered Questions { Operating Systems }

What is nr in awk command?

1200

What is Process id in unix?

1003

Where is rundll32 located?

884

What are the different types of process termination?

1104

How do you switch from any user type to a super user type?

962

Why is 64 bit called x86?

973

What is the purpose of using the yield method of thread class?

1039

How do you sort an array in descending order?

883

How arraylist increase its size?

910

Which command is used to find whether the system is 32 bit or 64 bit?

1149

How much does it cost to upgrade from windows 7 to windows 10?

814

Write the syntax in c to create a node in the singly linked list.

1023

What is active unix domain sockets?

901

Describe queue operation.

970

What is a csv file and how do I open it?

907

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