Operating Systems General Concepts Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Operating Systems General Concepts Interview Questions

Questions Answers Views Company eMail

What is ex and vi?

1055

Difference between time sharing and multitasking systems?

1005

What is the purpose of system calls?

1042

What is validity fault?

1007

What is the purpose of system programs?

1042

What is Throughput, Turnaround time, waiting time and Response time?

1015

Explain the purpose of the open() and close() operations.

2113

Define the difference between preemptive and nonpreemptive scheduling.

1028

What advantage is there in having different time-quantum sizes on different levels of a multilevel queuing system?

1222

What is Page-Stealer process?

1252

What is a device queue?

1088

Command Kill any user’s all processes.

960

File which stores the DNS configuration at client side?

1136

What are deadlock prevention techniques?

1082

What command is used to remove the password assigned to a group?

1064

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Un-Answered Questions { Operating Systems General Concepts }

What is the need of device status table?

985

Is 64bit better than 32bit?

959

How does a ram function?

999

Tell me if you know how are the wait/signal operations for monitor different from those for semaphores?

997

What is the purpose of the command interpreter? Why is it usually separate from the kernel?

1219

Explain briefly about assembler and its functioning?

1003

What kind of operations are possible on a semaphore?

1023

Discuss some of the reasons for implementing process migration ?

3181

Why Thread behavior is unpredictable?

1250

Will increasing ram speed up my laptop?

985

When would you choose bottom-up methodology?

2537

How does dynamic loading aid in better memory space utilization?

1435

Which is faster shared memory or message passing?

968

When the pipe is used?

948

How does swapping result in better memory management?

1232

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