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 the purpose of system programs?

1111

What is Throughput, Turnaround time, waiting time and Response time?

1071

Explain the purpose of the open() and close() operations.

2189

Define the difference between preemptive and nonpreemptive scheduling.

1099

What advantage is there in having different time-quantum sizes on different levels of a multilevel queuing system?

1308

What is Page-Stealer process?

1283

What is a device queue?

1124

Command Kill any user’s all processes.

997

File which stores the DNS configuration at client side?

1236

What are deadlock prevention techniques?

1143

What command is used to remove the password assigned to a group?

1149

What is GRUB?

1059

Define Operating System Types.

1046

What is BSS(Block Started by Symbol)?

1139

At what mode the fault handler executes?

1119

Un-Answered Questions { Operating Systems }

What is timestamp of a file in linux?

929

What does it mean by server error?

890

Can I decompile an exe file?

916

How will you append a file to a previous archive take by tar?

What is unix command?

1262

How safe is bluestacks?

1021

Why is null not allowed in concurrenthashmap?

894

Is there a cost to upgrade from windows 7 to windows 10?

803

What does threads mean when downloading?

751

How do I stop windows explorer from crashing?

772

What is clang linux?

1057

Explain the working of command grouping?

1021

Is list a data structure?

953

Can I change operating systems on my laptop?

977

Will there be a windows 13?

920

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