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,

977

Explain what is meant by heap?

BPL,

1125

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,

1238

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

MindCracker,

1089

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

CGI,

1030

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?

1197

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,

1188

Un-Answered Questions { Operating Systems }

What is an recursive algorithm?

977

How hashmap increases its size?

1013

How do you check resources usage?

908

How to make usb bootable?

964

Is c++ multithreaded?

784

how to sort the content of the file based on numeric values

1788

how do I display all logical volumes that are part of a volume group (e,g, rootvg)?

Explain semmnu?

766

Is it possible to count number char, line in a file; if so, How?

1166

How do you separate zeros from non-zeros in an array?

979

Which is better array or linked list?

909

How can I see all ip addresses on my network using cmd?

965

What is the importance of the GNU project?

1244

I have windows 8 pro. Can I get windows 8.1?

815

How to compare two text files in unix?

1002

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