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

Linux Commands Interview Questions

Questions Answers Views Company eMail

what is the difference between RHEL4 & RHEL5?

TCS,

3 11272

i dont know root password then this situation can we change or break root password to ant process

5 7530

How to block the message in wall command some students are send messages to all in the lab. please help me

5 14083

1. Why "d" is postfix in almost every service name of Linux like httpd, dhcpd? 2. how to restrict su & ssh services for some users? 3. how can we configure a default gateway for 10 n/w cards in a server?

6 8644

Write a cron entry for the following scenario:- At 10:30 AM for every Sunday of every 1st month of a quarter.

HP, IBM,

7 13595

who invented unix?

Wipro,

3 8683

what are the init levels in Linux?

3 6731

Explain Backup Managment commands in Linux.

5 8476

Compare between SYS V launched processes and Xinetd processes in Linux.

1 4677

What command can you use to review boot messages?

TCS,

3 9174

What command you execute to display the last five commands you have entered?

4 10065

Which two commands can you use to delete directories?

2 6984

our wish to print the file vacations with 60 lines to a page. Which command will accomplish this?

2 4439

To move /home/ben/memos dir in /home/bob/memos, what is the result by mv /home/ben/memos /home/bob

4 6302

What is the command to list ALL (hidden also) files of current directory & it’s subdirectories?

6 9158

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Un-Answered Questions { Linux Commands }

Suppose I lost a root password and I need to give it, I treid to change it through single usermode even though I am not get a password, then what is the otherprocedure to give a root password?

961

How do I run whois command?

1047

What is linux pwd (print working directory) command?

962

Explain about document formatting?

1065

What are runlevels in linux?

1101

What are the commands used in command prompt?

992

What are the basic commands in command prompt?

1118

Which are the linux directory commands?

1030

How do I check my disk space?

979

How do I check command history?

1043

What does chmod 644 do?

1000

How do I change directories in linux command line?

946

You wish to print a file ‘draft’ with 60 lines to a page. What command would you use?

961

What is cpu utilization linux?

1025

What is the use of ls command?

1038

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