Operating Systems Interview Questions
Questions Answers Views Company eMail

How to Kill a Particular Process in windows?

Tomax,

5 6081

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

Tomax,

3 5093

What is Difference between thread and process?

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

28 232221




How to communicate between difference process?

HP, IBM,

2 4920

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

HP,

1 1826

What is scheduling and How it effects the processor efficiency?

HP,

1 1995

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

HP,

6 10846

What is the best suited algorithm to avoid internal fragmentation?

HP,

1 5459

How to escape from external fragmentation?

HP,

1 2274

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

HP,

1353

What is the difference between mutex and semaphore?

Microsoft, HP,

14 46263

What are counting semaphores?

IBM, HP,

4 9094

which is best among semaphores and mutexes?

HP,

2 4139

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

HP,

2 3577

What are named pipes?

HP,

3 2990







Un-Answered Questions { Operating Systems }

i want information about real time operating systems because i have an interview tomoorow in valeo company.

1776


What is an interrupt? How are multiple interrupts dealt with?

779


how make a bootable dick

1432


Why does the sockets buffer fill up sooner than expected?

233


How to catagories tickets in RHEL, which tickets are belong to PROBLEM, INCIDENT and CHANGE management? please given to me with examples

397


state and explain FIVE basic disk-based file system operation

779


What is AF_UNSPEC Address?

392


what is mean by netfmd in sun cluster what is the use of netfmd and what is the relation between ccd and netfmd?

1322


What is the key advantage of Windows NT Challenge/Response security?

1029


why context switching time should be minimum? How it depends on hardware support?

277


1) What is an Virtual memory? 2) How do we test API's in both Windows/Linux/Unix? 3) What is an IOCTL? 4) How do you open a char device through API's? 5) What is major num/ minor num? 6) What is the max num for minor num? 7) Who gives you the major / minor numbers? 8) Reverse a string using recursive func. 9) fork/vfork/clone. 10) What does fork returns? 11) What is a zombie process? 12) What happens when a child completes before parent tries to wait for it? 13) Interrupt handlers, top-hdnl....?

1081


What is the zone in DNS?

957


what is the importance of swap memory and how it will supports?

974


How do you see the other DHCP Servers in the Network / Forest? What is the command helps you see the DNS and WINS Servers similarly?

1081


How do an incremental process model and certification work together to produce high quality software? In your own words, describe the intent of certification in the clean room software engineering context.

452