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

Unix Interview Questions

Questions Answers Views Company eMail

How to get the nth word of a line in Unix?

1084

How to remove the last line/trailer from a file in Unix script?

1052

How to remove certain lines from a file in Unix?

1030

How to get the last word from a line in Unix file?

1004

How to print/display the last line of a file in Unix?

1108

How to reverse a string in Unix?

1075

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

1099

Explain different types of Unix systems.

1002

How to display n-th line of a file in Unix?

1042

What is ‘ps’ command for?

1237

What is the significance of the 'tee' command?

1251

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

1318

What does the command '$ls | wc –l > file1' do?

1296

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1355

Explain the steps that a shell follows while processing a command.

1282

Un-Answered Questions { Unix }

Name the key features of the korn shell.

1041

How can I write a multi-homed server?

1684

Is mac a unix system?

905

Is mac terminal unix?

939

I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me.

2391

Which unix command to make a new directory?

1189

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)?

1622

How to get the last word from a line in Unix file?

1004

What is buffer header unix?

930

What is unix full form?

1010

What command is used to check the current users?

1170

Explain what are the system calls used for process management?

1004

What is awk used for?

1173

How do you make programs portable on unix and dos under such circumstances?

1056

What is socket programming in java?

886

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