Learn Linux

Explore the fastest-growing computer operating system and learn the basic commands you need to take greater control of your computer. Linux is a free, open source operating system that powers smartphones, web servers, supercomputers, and even space stations. In short… Linux is everywhere! Become a superuser today with our free videos and tutorials.

touch, rm, ls, and cp Files in the Linux/Unix Bash Shell Petting Zoo

For this Linux/Unix bash shell tutorial, we have an extra special field trip planned in the “Petting Zoo” directory. Seatbelts everyone! Lets take a look around. Use the “ls” command to list the directory contents. Llamas, turkeys, and bison, oh my! I’d like to know a bit more about these files. The “-l” option shows us the file’s permissions, group …

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whatis man?

Aramis & Adelie read the Superusers comic book and a file reads the fantastic manual using the man command. Adelie elaborates on the gender disparity in technology, Aramis translates, and we say goodbye to our heroes in the exciting conclusion of Superusers: The Legendary GNU/Linux Show!

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Make Kittens with the Cat Command

Schrodinger the kitten is missing! The Superusers concatenate a replacement with the cat command. Running head & tail verifies that the new file is in fact the spitting image of Schrodinger.

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Everything is a File

Everything is a file in Linux! Whether it be Schroedinger’s cat, Gremlins, the Droste effect, bouncy castles, continental philosophy, the Big Bad Wolf, Emacs, pizza wings on a dodo, this video, LCD Soundsystem, linux voice, or Graham Harman.

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List Doughnut Contents with the ls Command

Trouble is afoot in “the_doughnuts” directory. It seems our friend Homer Price has built himself a newfangled, automatic, doughnut-making machine, and he can’t get it to shut off! On top of that, Ada Lovelace lost her diamond bracelet in the batter, and Homer is certain that it’s encased in one of his circular snack cakes. This looks like a job …

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Locate or Find Waldo with the Bash Shell

That wily Mr. Waldo is off on another one of his adventures. This time he’s taken refuge somewhere in the Linux file tree, and it’s up to us to figure out where he went. There are two excellent bash shell commands at our disposal: find and locate. I’d like to get this job done quick, so lets start with the …

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Getting Help with Built-In Bash Shell Commands

Whenever the shell gets me feeling down, I use the ‘help’ command to get my feet back on the ground. The help command provides information on built-in commands. Built-in commands are any programs bundled with your version of the bash shell. For a complete list of the built-in commands available to you, simply enter ‘help’ at the terminal prompt. That’s …

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