Linux Command Reference

Linux is a free and open source operating system widely used on both servers and PCs. Linux commands are tools that come with this operating system to perform various tasks.

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$whereis

Find binary programs, code and other related file paths

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$whatis

Query what function a command performs

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$wget

Linux system download file tool

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$wc

Count the number of bytes, words, and lines of a file

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$watch

The output results of the command can be output to the standard output device, which is mostly used to execute commands periodically/scheduledly.

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$wall

Output information to all currently open terminals on the system

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$wait

Wait for the process to finish executing and return

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Display the information of users currently logged into the system

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$volname

Displays the volume name of the specified ISO-9660 format device

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$vmstat

Show virtual memory status

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$vi

Powerful plain text editor

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$vgscan

Scan and display volume groups in the system