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?

1117

What are conditions for a machine to support Demand Paging?

994

What is page fault? Its types?

941

Name two paging states for a page in memory?

1064

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

1024

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

959

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

965

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

1220

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

1020

What is ‘the principle of locality’?

981

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

1126

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

1013

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

1166

How does the kernel differentiate device files and ordinary files?

1029

What is a shell?

948

Un-Answered Questions { Unix }

What is the difference between read() and recv()?

1970

What is disk block allocation in unix?

961

Is windows unix like?

1007

What is the nmap command?

1193

What is the difference between a single dot and double dot in unix?

1208

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1807

What is difference between socket and websocket?

905

What is pipe in unix example?

975

What are the three major components of any unix system?

840

What is ipc in unix?

1013

Why is it called grep?

1032

What does the “echo” command do?

1157

What is awk good for?

1144

How do I search for a grep file in unix?

845

What is piping?

944

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