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?

1163

What is a cache memory?

TCS,

975

Explain what is meant by heap?

BPL,

1112

Explain High Severity and Low Priority with example?

Wipro,

1068

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

Wipro,

1139

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

Tech Mahindra,

1227

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

MindCracker,

1085

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

CGI,

1017

Which technology does Pentium use - RISC or CISC?

Tech Mahindra,

1046

Where are the global variables stored?

1139

What is the difference between exclusive lock and shared lock?

1191

Can you tell me the difference between semaphore and mutex.

1202

Explain what is a semaphore?

BPL,

1102

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

1150

What is a hard real time OS?

Motorola,

1183

Un-Answered Questions { Operating Systems }

Why are there so many svchost exe in task manager?

835

How do you kill tasks?

927

Can you download windows 10 to a flash drive?

735

How do I unregister a dll in windows 7?

808

How can searches be refined?

1038

What is the use of endprotoent(3) Function

1689

How do I create a .txt file?

972

How do I register a 64 bit dll file on windows 10?

730

How do I run as administrator?

816

Can I use gmail with windows 10?

866

What is error 0xc0000005?

858

How do you turn off safe mode?

910

What are the components of unix kernel?

1038

What companies use linux?

873

What was the first windows operating system?

927

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