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 briefly about processor and its functioning?

1043

Explain briefly about assembler and its functioning?

1076

Explain briefly about compiler and its functioning?

1089

Explain briefly about loader and its functioning?

1003

Explain briefly about linker and its functioning?

1034

What are the different functions of Syntax phase, Sheduler?

1182

Which is the best page replacement algorithm and Why? How

947

much time is spent usually in each phases and why?

1104

Have you ever used HashTable and Directory?

977

Considering notepad/IE or any other thing as process, What will happen if you start notepad or IE 3 times ? Where three processes are started or three threads are started?

1250

How does thread synchronization occur in a monitor?

1049

Suppose if we have a variable 'I' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

1158

What is difference between Process and Thread?

1092

What do you mean by multithreading?

1078

How to stop running thread?

1123

Un-Answered Questions { Operating Systems }

What is the slowest sorting algorithm?

903

What is the difference between array and stack?

1052

If a system has 128 mb ram and 1 gb hard disk, and a process decides to use its fully allotted virtual memory 2^32 - 2gb = 2 gb, how is it practically possible?. But this works in all machines. How?

821

Which is better selection or bubble sort?

873

What will happen when windows 7 is no longer supported?

767

Explain briefly about compiler and its functioning?

1089

What is the purpose of a folder?

960

How do I restore windows 7 without a disk?

849

Why do we use hashset?

925

Does redhat use yum?

916

How do I register an ocx file in windows 7 64 bit?

785

How to install pip on windows?

908

Can hashmap have same key?

867

Explain top 10 dos commands with examples?

501

How do I recover files from an unbootable hard drive?

906

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