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?

1071

What are conditions for a machine to support Demand Paging?

941

What is page fault? Its types?

882

Name two paging states for a page in memory?

1012

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

974

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

909

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

918

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

1171

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

969

What is ‘the principle of locality’?

928

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

1055

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

964

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

1127

How does the kernel differentiate device files and ordinary files?

983

What is a shell?

889

Un-Answered Questions { Unix }

What uses unix?

910

What is unix pattern?

860

How to null a file in unix?

1104

What is ln(linking)?

990

What does cp mean in unix?

812

Explain what is standard unix streams ?

929

Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

1520

Is ios based on unix?

886

How to write the program on full-duplex communication on bidirectional(e.g using two pipes)?

970

What are the events done by the Kernel after a process is being swapped out from the main memory?

2561

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1348

What is the behavioural difference between cmp and diff commands?

1219

How do I find a pattern in unix?

902

Why was unix created?

885

What is the explanation for protection fault?

991

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