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

Define max, min heap and search time of heap.

Amdocs, Tavant Technologies, Thomson Reuters, Verifone,

1017

Explain Marshalling?

MaxSolPro,

975

Explain what are device drivers used for?

BPL,

992

Explain what is meant by CORE DUMPS?

1004

What are the essential conditions for a deadlock to occur?

Zensar,

984

How does yahoo handles billions of requests, does it create a thread per request or a process?

Yahoo,

1012

How can the FCFS scheduling be made better?

1116

How will you check if R3 system is a Unicode or non - Unicode system?

Atos Origin,

1010

What are the ways in which fault tolerance can be ensured in systems? (Different redundancy techniques)?

DELL,

1147

What is external fragmentation?

1093

What are the different phases of compiler? What happens in lexical phase?

Accenture,

1107

Differentiate between compilers and interpreters.

Tech Mahindra,

877

How many links are there in a binary tree of N nodes?

Tech Mahindra,

966

Compare Queue and Topic ?

Tech Mahindra,

1058

When should structures be passed by values or by reference?

Tech Mahindra,

981

Un-Answered Questions { Operating Systems }

How do you know if you need 32 bit or 64 bit software?

860

Describe Inter Machine Communication?

1124

Command Kill any user’s all processes.

956

How do I change back to original format in windows 10?

748

Which scripting language is best for linux?

879

Explain the types of installations in solaris

936

How long does it take upgrade to windows 10?

764

What is the difference between xinput and directinput?

900

How do I replace a system32 file?

768

What is the use of a folder?

834

How do I run a .sh file in linux?

1041

Tell me how to mount the floppy & cd-rom?

877

How to make thread sleep less than a millisecond on windows?

791

Why do we use hashmap?

993

Should I delete temporary files?

845

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