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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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uniq
Show or ignore duplicate rows.
5/12/2024
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unexpand
Convert file's whitespace characters to tabs
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uncompress
Used to decompress .Z files
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unarj
Decompress the compressed package created by the arj command
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uname
Print system information.
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unalias
Remove aliases set by alias
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umount
Used to unmount a mounted file system
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umask
Displays or sets the permission mask for creating files.
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ulimit
Controlling the resources of shell programs
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type
Displays the type of the specified command.
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tty
Displays the file name of the terminal device connected to the current standard input.
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true
The return status is success.
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