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 command to show the space allocation of files?

1120

What is the command to compare two files in unix?

1118

What command is used to switching between users in unix?

1079

Enumerate some of the most commonly used network commands in unix?

1162

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

2249

Differentiate cat command from more command.

1145

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1395

What does this command do? Cat food 1 > kitty

1581

Write a command that will output the sorted contents of a file named in.txt and place the output in another file named out.txt, while at the same time excluding duplicate entries.

1 2510

What command will change your prompt to myprompt?

1323

Differentiate cmp command from diff command.

1169

What are the differences among a system call, a library function, and a unix command?

1217

Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

1236

Write a command that will display files in the current directory, in a colored, long format.

1215

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)?

1565

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Un-Answered Questions { Unix Commands }

How can you see the command line history?

1136

What is the difference between cat command and more command?

1202

Who wrote grep?

1061

What are filter commands in unix?

1189

What is a command and examples?

1223

What is the use of egrep command in unix?

1182

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

1212

What does the metacharacter mean?

1132

How does pipe () work?

1089

Explain command to view process running?

1126

Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1218

Why is shebang used?

1123

Name the unix command to find how many days the server has been up.

1162

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

1067

Is command prompt unix?

1151

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