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

Unix Interview Questions

Questions Answers Views Company eMail

Through which command will redirect output to bOth screen and files at the same time?

3 9561

How do you know about running processes of a particular user?

11 17591

How do you remove a crontab file?

6 16822

What is the basic difference between unix and windows operating systems?

Bopro, College School Exams Tests, CTS, IBM, IT-Kids, Priyadarshini, Sybian Technologies, Tolani Maritime,

43 167926

How do you find path of a directory? Give its syntax.

7 13901

In vi editor how do you execute unix commands?

10 18844

what is the use of "test" command in unix?

4 19802

Give a regular expression that finds two things, try to come up with regular expressions that find each individually using "egrep" command?

5 13271

How to get a particular string as your prompt ? Give syntax of that command?

3 11011

Could you tell something about the Unix System Kernel?

ITCO, TCS,

3 8396

What are each of the standard files and what are they normally associated with?

ITCO,

1 4902

What is the main advantage of creating links to a file instead of copies of the file?

Cisco, ING,

5 12475

Write a command to find all of the files which have been accessed within the last 30 days.

Cisco,

14 24951

How we will execute previous command in vi editor?

IBM, Infosys,

3 11916

How we will execute previous command in vi editor?

Infosys,

8 22391

Un-Answered Questions { Unix }

How do I search a whole word in vim?

681

What is difference between socket and websocket?

473

Which command can you use to find the currently running process in unix server?

576

What is the very first process created by kernel?

584

What is alias mechanism?

478

Is windows 10 unix based?

498

Which is the shell of unix?

512

How do you determine and set the path in unix?

516

Explain how and when a DNS request is solved when a user tries to surf to the site www.abcdeg.in .Assume the user machine uses a local name server and sits on another network other than www.abcdef.in.

4326

What Happens when you execute a program?

616

What does the command ' $who | sort –logfile > newfile' do?

755

How do I find the port number of pid in unix?

461

What is hardlink and softlink in unix?

523

How do you grep a case insensitive?

530

How to remove certain lines from a file in Unix?

523

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