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

Unix Interview Questions

Questions Answers Views Company eMail

What is a Region?

1 4366

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

2617

What do you mean by u-area (user area) or u-block?

6 27211

What is Fork swap?

Infosys, SSI Small Scale Industries,

1 4909

What is Expansion swap?

KISSI,

1 7946

What are the processes that are not bothered by the swapper? Give Reason.

1 4595

What do you mean by nice value?

4 11193

How to setup display for a remote system?

3 6622

How to remove weird filenames?

1 5292

What are the Unix system calls for I/O?

4 12929

Describe the mount and unmount system calls?

2 13284

Describe the initial process sequence while the system boots up?

4 11574

What are various IDs associated with a process?

4 12517

What are the system calls used for process management:

5 21067

what does a process mean?

Infosys,

7 13273

Un-Answered Questions { Unix }

What does grep v grep do?

1080

How to remove the first line/header from a file in Unix?

1063

What is unix in simple terms?

917

In unix, what is echo used for?

1029

Define the term directory?

976

Which data structure is used to maintain the file identification?

954

How is unix different from linux?

1056

Explain what are links and symbolic links in unix file system?

984

What are file commands?

1235

What are the features of unix operating system?

950

Which is the most commonly used replacement algorithm?

1238

Explain what are the main families of threads?

1082

Explain superblock in unix.

891

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

1220

What are data structures that are used for Demand Paging?

1009

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