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

Unix Commands Interview Questions

Questions Answers Views Company eMail

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

1243

What difference between cmp and diff commands?

1316

What is the difference between cat and more command?

1307

Write a command to kill the last background job?

1107

Which command is used to delete all files in the current directory and all its sub-directories?

1267

Write a command to display a file’s contents in various formats?

1216

What will the following command do?

1129

What is the use of the command 'ls -x chapter[1-5]' ?

1219

Is ‘du’ a command? If so, what is its use?

1155

What happens when we execute a unix command?

1149

How to use grep command to list find the records of a file containing 10 different strings?

1132

Using unix command how to display no of records in oracle?

1167

Explain command to display different lines that are found when compare two files?

1184

Explain command to view process running?

1146

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

1175

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Un-Answered Questions { Unix Commands }

Can you explain a little bit about command substitution?

1118

What do chgrp command do?

1228

How do I open a port?

1100

What does 'mkdir' command do in UNIX?

1319

What is awk used for?

1140

How does pipe () work?

1104

What are reported commands?

1138

What does grep v grep do?

1086

What is command statement?

1185

Why is awk called awk?

1090

What is sed awk grep?

1141

Describe the usage and functionality of the command rm –r * in unix?

2109

What do chmod command do?

1234

How does the system know where one command ends and another begins?

2259

Is command prompt unix?

1166

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