Unix Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Interview Questions

Questions Answers Views Company eMail

What is the main goal of the Memory Management?

1107

What are conditions for a machine to support Demand Paging?

988

What is page fault? Its types?

936

Name two paging states for a page in memory?

1053

What are states that the page can be in, after causing a page fault?

1018

What are the phases of swapping a page from the memory?

948

How can you get/set an environment variable from a program?

956

Is the Process before and after the swap are the same? Give reason.

1216

What are the entities that are swapped out of the main memory while swapping the process out of the main memory?

1007

What is ‘the principle of locality’?

970

What are conditions on which deadlock can occur while swapping the processes?

1117

What are the criteria for choosing a process for swapping into memory from the swap device?

999

Is it possible to count number char, line in a file; if so, How?

1155

How does the kernel differentiate device files and ordinary files?

1019

What is a shell?

940

Un-Answered Questions { Unix }

Discuss briefly about the directory representation in unix.

1005

Can multiple clients connect to same socket?

896

What does shebang mean in unix?

897

What is the command to compare two files in unix?

1117

explain about the initial process sequence while the system boots up?

1020

What are a shell in unix and its types?

961

What are the possible return values of kill() system call?

842

What is a unix file?

964

What is the first character of the output in ls l command?

1209

What a pipe?

996

How unix is used?

886

Discuss the mount and unmount system calls ?

1058

What is the main goal of the Memory Management?

1107

List the system calls used for process management?

1080

Please describe the initial process sequence while the system boots up?

1014

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