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 do you mean by memory leak?

1169

What is a cache memory?

TCS,

981

Explain what is meant by heap?

BPL,

1127

Explain High Severity and Low Priority with example?

Wipro,

1074

What are the different memories you know about? Which of them takes the shortest access time?

Wipro,

1143

Difference between short term, long term and medium term scheduler.

Tech Mahindra,

1239

Which event determines that all the controls are completely loaded into memory?

MindCracker,

1090

what is the memory required when a screen has 1024*1280 pixels and each pixel can have around 16 million colors?

CGI,

1035

Which technology does Pentium use - RISC or CISC?

Tech Mahindra,

1064

Where are the global variables stored?

1147

What is the difference between exclusive lock and shared lock?

1198

Can you tell me the difference between semaphore and mutex.

1213

Explain what is a semaphore?

BPL,

1112

What is significance of semaphores? What are the different types of semaphores?

1160

What is a hard real time OS?

Motorola,

1189

Un-Answered Questions { Operating Systems }

Do you get microsoft word with windows 10?

819

What is a undirected graph?

966

Is windows 10 free to download?

781

When I am checking the services its showing uninitialized then what should I do. Please tell me the answer as soon as possible?

902

Will fully clean the drive remove windows?

864

Why is null not allowed in concurrenthashmap?

905

What do you mean by windows 7?

841

Where is the startup folder?

887

Is windows part of microsoft?

846

What is echo command in windows?

933

What is shell script?

898

Why is arraylist used?

961

What is mtime and ctime in linux?

888

What do you mean by probing?

971

Name the key features of the bourne shell.

908

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