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

How to Kill a Particular Process in windows?

Tomax,

5 12058

How to change the IP Address of the system in windows 95/98 and windows 2000 server system?

Tomax,

3 9708

What is Difference between thread and process?

AirTies, Azingo, Bloomberg, Encora, Goldman Sachs, HCL, HP, MES, Microsoft, Samsung,

28 267848

How to communicate between difference process?

HP, IBM,

2 11581

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 4744

What is scheduling and How it effects the processor efficiency?

HP,

2 5605

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 16661

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9744

How to escape from external fragmentation?

HP,

2 5856

What is difference in managing processes in windows, unix, RTOS?

HP,

2747

What is the difference between mutex and semaphore?

HP, Microsoft,

14 61324

What are counting semaphores?

HP, IBM,

4 17144

which is best among semaphores and mutexes?

HP,

2 7627

which is best among pipes, queues, shared memory and why?

HP,

2 7053

What are named pipes?

HP,

3 7012

Un-Answered Questions { Operating Systems }

What is the difference between find and locate command in linux?

994

1)Can we extend /root partition in RHEL 6 ? If yes then what are the steps?

1269

What is definition list?

881

Give a good data structure for having n queues ( n not fixed) in a finite memory segment. You can have some data-structure separate for each queue. Try to use at least 90% of the memory space.

895

Is windows 7 the best operating system?

794

Explain Linked List

937

what are all the latest server you are having in your company and its specification.

1934

How do I reinstall windows live mail?

840

What does arrays tostring do?

806

Can you be hacked just by opening an email?

722

How do you share a program across different virtual desktops under linux?

1686

Linux initially was developed for intel x86 architecture but has been ported to another hardware platform than any other operating system. Do you agree?

980

what are the ways to find ip address of any domain name say google.com in linux operating system?

753

What are commands in grammar?

991

Which ipc mechanism is fastest and how?

1071

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