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?

1118

Difference between time sharing and multitasking systems?

1080

What is the purpose of system calls?

1093

What is validity fault?

1037

What is the purpose of system programs?

1110

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

1069

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

2187

Define the difference between preemptive and nonpreemptive scheduling.

1099

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

1305

What is Page-Stealer process?

1283

What is a device queue?

1124

Command Kill any user’s all processes.

995

File which stores the DNS configuration at client side?

1230

What are deadlock prevention techniques?

1140

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

1146

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Un-Answered Questions { Operating Systems General Concepts }

Does 64 bit use more ram?

1083

Why would a parent process terminate a child process?

1047

What is the difference between process and program?

1092

Explain about assembler and the functions executed by them?

1096

Tell me when does the condition 'rendezvous' arise?

1161

What are the 4 types of communication?

992

What is difference between Process and Thread?

1091

Explain what is meant by heap?

1112

Explain briefly what is meant by trap and a trapdoor?

1151

What is the need of device status table?

1045

What is the sequence of the three way handshake?

991

What are the major differences between Thread and Process?

1361

Describe system calls and its type

1109

What is a socket?

1136

What do you mean by ram?

1019

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