this post was submitted on 16 Dec 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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I use $_ a lot, it allows you to use the last parameter of the previous command in your current command
mkdir something && cd $_
nano file
chmod +x $_
As a simple example.
If you want to create nested folders, you can do it in one go by adding -p to mkdir
mkdir -p bunch/of/nested/folders
Good explanation here:
https://koenwoortman.com/bash-mkdir-multiple-subdirectories/q
Sometimes starting a service takes a while and you're sitting there waiting for the terminal to be available again. Just add --no-block to systemctl and it will do it on the background without keeping the terminal occupied.
systemctl start --no-block myservice
I just press M-.
I'm not sure what you mean. I gave 3 different commands..
You can use M-. instead of $_ to insert last param of last command. You can also access older commands' param by repeated M-. just like you would do for inserting past commands with up arrow or C-p