Linux Commands Interview Questions
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If the programmer wishes to execute an instruction at the specified time. Which command is used?

1209

If you have saved a file in linux. Later you wish to rename that file, what command is designed for it?

2 2295

Write about an internal command.

809

Which command is used to uncompress gzip files?

871

What commands are used to see all jobs running in the hadoop cluster and kill a job in linux?

771

What command can you use to make a tape archive file of a /home directory and send it to the /dev/tape device?

811

Enlist some linux to file content commands?

782

What is du -s * | sort -k1,1rn | head command used for?

707

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

902

How do you limit memory usage for commands?

806

What is ls command and what it does?

774

What is ps command in linux?

751

What is the difference between command ‘ping’ and ‘ping6’?

777

What is lsof command in linux?

810

What is df command in linux?

758


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Un-Answered Questions { Linux Commands }

How remove all files in a directory linux?

718


Explain the ‘ls’ command in linux

775


Which of the Commands delete the files from the /tmp directory, issued by non-root user?

864


What is mask and umask in linux?

780


What is linux load average?

849


What are the linux commands used in devops?

774


How is grep so fast?

760


How can I type in cmd?

706


What are system commands?

803


You wish to restore the file memo.ben which was backed up in the tarfile mybackup.tar. What command should you type?

741


What command would you use to check how much memory is being used by linux?

798


If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred?

789


What is df -h command?

924


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

786


What is tty in linux command?

739