this post was submitted on 22 Jan 2024
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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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source ~/.bash_history
Dear god
That's the scariest horror story in 2 words I've seen so far
I'm genuinely having a chuckle at how shocked people are at my submission, made my day xD
I mean, it's simple, elegant, and destructive AF given the right circumstances. Basically a chaos grenade we didn't realize existed
And also a very understandable mistake, to boot.
Can a linux noob get an explanation of this?
source
is a bash shell built-in command that executes the content of the file passed as argument, in the current shell.~/.bash_history
contains all the commands you ever executed in bash (the default shell in most Linux systems)To add on to this explanation, you generally use
source ~/.bashrc
to reload your shell whenever you want to make changes to your user config. Tab completion weakens the barrier to destruction significantly (esp. in my case)Until you use a system that doesn't have a ~/.bashrc , and now your tab completion helpfully expands "~/.ba[TAB]" to "~/.bash_history" .
That's why I like fish, which shows matching commands you executed, so that you can easily redo them.
Ooh can I get an equivalent for zsh? :D
https://github.com/zsh-users/zsh-autosuggestions
Thanks for the explanation
New fear unlocked
Reminded me of this: https://github.com/jtroo/kanata/issues/595
Same concept, different granularity!
i never thought i had a nuke that i can launch using one command
Oh no. That fits the bill perfectly lol.
"Oh My..." thought in a George Takei voice
Jesus Christ. It would be a good idea to format that file to have an
exit
as first line to avoid this