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 difference between Array and Arraylist?

1085

A pair of redundant systems are operating, how would you ensure that when one of them goes down, the other one will take over its operation?

DELL,

1127

What are the different replacement policies ?

Wipro,

1132

What first program that the computer runs when the power is turn on?

Arigo Infotech,

1071

Why do we need inter process communication?

1238

One starts counting from 0 to max and the other stars from max to 0. Which one executes fast.

1040

Where the user store resides in OS?

1036

How you can Kill the Session by force?

1084

What do you know about system model?

C DAC, CDAC,

1125

Define a good platform along with its qualities.

Wipro,

1155

What is a semaphore? What are the different types of semaphores?

Wipro,

1162

What is the feature of real time os?

1175

Explain what you mean by memory alignment.

TCS,

1078

List advantages and disadvantages of dynamic memory allocation vs. static memory allocation.?

1185

Tell me something about the concept of memory leak?

1116

Un-Answered Questions { Operating Systems }

Can map contain duplicate keys?

850

What is Mapped Memory?

1454

What is kde in linux?

995

What is makefile in unix?

1086

Write a command to display a file’s contents in various formats?

1214

How do I stop dllhost exe?

938

Which scripting language is best for linux?

977

What are the different ram standards/versions?

989

What does chkdsk c/f do?

875

What is collision in data structure?

935

What ipc 304?

924

How do you find history of a file set?

Does formatting an ssd damage it?

936

Does treemap allow duplicate keys?

853

Can chkdsk fix hard drive?

771

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