Operating Systems Interview Questions
Questions Answers Views Company eMail

How to Kill a Particular Process in windows?

Tomax,

5 7034

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

Tomax,

3 6178

What is Difference between thread and process?

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

28 244364




How to communicate between difference process?

HP, IBM,

2 6414

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

HP,

1 2444

What is scheduling and How it effects the processor efficiency?

HP,

2 2577

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

HP,

6 11975

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 6347

How to escape from external fragmentation?

HP,

2 2954

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

HP,

1697

What is the difference between mutex and semaphore?

Microsoft, HP,

14 49878

What are counting semaphores?

IBM, HP,

4 10416

which is best among semaphores and mutexes?

HP,

2 4881

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

HP,

2 4185

What are named pipes?

HP,

3 3642







Un-Answered Questions { Operating Systems }

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

1006


hi to all,, i need few real time issues please provide me,, if you have any,,,

1156


What kind of issues you get?

1058


Steps to install a server remotely?

1374


do records fall under linear or non linear data structures?

746






What is the use of FIFOs?

649


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

683


Whats the difference between select() and poll()?

685


Q2. Explain the difference between a MONOLITHIC KERNAL and a MICROKERNAL?

977


As a system admin i want to know some things what are the troubleshooting issues we are facing frequently and what are the tickets will be raised.

422


Explain the term kernel.

4


What are Anonymous Calls?

429


How to restrict NULL value in UNIX

282


Stable storage cannot be implemented. (A) Explain why it cannot be. (B) Explain how database system deal with database applications

1146


Hello this is gaurav garg I have completed BCA. plz TEll me how will ask question in interview.

1110