this post was submitted on 04 Jan 2025
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Linux
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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history | grep command you're searching for
That will return all commands you've typed that contain that keyword. Helps if you remember part of a command, but can't remember the specific flags or the proper format.
If there are common commands that you use over and over, turn them into a Bash script and name the script something descriptive.
I do that for long commands that I don't want to type out, like my whole system update workflow: sudo apt update -y && sudo apt upgrade -y && sudo flatpak update -y
I saved that as a Bash script and called it "update.sh" then I saved it in my home directory. Now whenever I want to do a full system update, I just type ./update.sh and it asks me for my password, then updates my whole system without me having to do anything else. I do this with several different tasks like my remote Ansible server updates.
Other than that, you can buy/make a linux command cheat sheet with the most common commands. Keep it with you or next to your computer. Look at it whenever you need a refresh.
Ctrl-r!