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

Linux Commands Interview Questions

Questions Answers Views Company eMail

Which command will show you free/used memory? Does free memory exist on linux?

1067

Which command will show you free/used memory?

1043

What does the command env do?

1051

What does comm do and how to use it?

1055

Describe the mknod command and when you’d use it.

1222

What does grep command do?

1075

What does uname command do?

1233

What is the command to calculate the size of a folder?

1082

What is the pwd command?

1049

What is grep command?

986

Write a command that will look for files with an extension "c", and has the occurrence of the string "apple" in it.

1777

What could be the problem when a command that was issued gave a different result from the last time it was used?

1285

How do you execute more than one command or program from a single command line entry?

1020

How does case sensitivity affect the way you use commands?

1191

Write a command that will display all .txt files, including its individual permission.

2834

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Un-Answered Questions { Linux Commands }

How do you sort cpu in top command?

1141

You wish to print the file vacations with 60 lines to a page. Which of the following commands will accomplish this?

935

In order to improve your system’s security you decide to implement shadow passwords. What command should you use?

996

How do you kill a process in linux?

1200

What is a ulimit in unix?

1167

Why echo is used in linux?

1107

How do I check disk space in bash?

1011

How much ram do I have linux?

1024

What does chmod 777 do?

1140

What is clang linux?

1115

How do I know my shell?

1015

Who command in linux?

1066

What are grep patterns called?

1075

How do you check which file consuming more space in linux?

1069

How do you clear the screen in linux?

1064

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