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

Unix Commands Interview Questions

Questions Answers Views Company eMail

how to delete entire records in unix ?

Cap Gemini,

13 27159

hw will u use awk in replacing cahrs and files

3183

How to see unused port number in Solaris?

HCL,

2 12644

What is the difference between udp and tcp?

HCL, TCS,

2 10690

their is a file1,file2 and i want to append file1 data to file2?

IBM,

9 14521

what is the default permission for /etc/shadow file in UNIX

Wipro,

2 9691

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

3084

which script will invoke first ,when /etc/init.d starts

1 6393

What is the command to check ports active in UNIX?

Accenture, IBM,

4 13335

what these two commands prints "echo test","cat test"?

TCS, Wipro,

6 16211

How to get the last ten lines of a file using awk utility?

Infosys,

1 8563

How to add content of one file into another file at the beginning

12 18030

how to check a file system type

Wipro,

7 14536

How to replace the exact word in vi editor?? suppose a file contains words like amaze,amazed,amazement in some of the line.But i want to replace only 'amaze' with delight but don't wanna replace amazed or amazement. thanks

Polaris, Tech Mahindra,

6 12664

What does mkdir up2date; touch outdated up2date do?

2 6548

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Un-Answered Questions { Unix Commands }

Differentiate cmp command from diff command.

1108

Why is awk called awk?

1024

What does the “echo” command do?

1101

What is the use of sed command in unix?

1145

Can you explain a little bit about command substitution?

1066

What is awk good for?

1090

What is merge command in unix?

1447

What do chown command do?

1118

What is a bash command?

1116

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)?

1516

What do chgrp command do?

1145

What are the general commands in using unix os for a beginner?

1098

What is the size of time_t?

1150

Which command should you use to find the remaining disk space in unix server?

1235

What happens when we execute a unix command?

1093

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