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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$lsusb

Display the USB device list information of this machine

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$lspci

Display all PCI bus information of the current host

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$lsof

Display a list of all files currently open on the Linux system `lsof -p pid`

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$lsmod

Show modules loaded into the system

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$lscpu

Display information about the CPU architecture

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$lsblk

List block device information

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$lsb_release

Show release version information

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$lsattr

View the second extended file system attribute of a file

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$ls

Show directory contents list

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$lpstat

Display status information of printers in CUPS

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$lprm

Delete a print job from the print queue

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$lpr

Send the file to the specified printer for printing