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Every time this gets reposted, I like to reply with this:
:(){:|:&};:Run it if you dare lol
Why my cpu making so much noise?
It's a workout for your CPU. It will make it grow big and strong.
it's a regex loop
Extra room heater, how thoughtful of you
I don't know what that is, but it feels to me like it might be a fork bomb.
Edit: Yep, fork bomb.
Because I didn't know what a fork bomb was:
a fork bomb is a denial-of-service (DoS) attack wherein a process continually replicates itself to deplete available system resources, slowing down or crashing the system due to resource starvation.
[...]
A classic example of a fork bomb is one written in Unix shell
:(){ :|:& };:, possibly dating back to 1999, which can be more easily understood asfork() { fork | fork & } fork
> > In it, a function is defined (fork()) as calling itself (fork), then piping (|) its result into itself, all in a background job (&). > > The code using a colon `:` as the function name is not valid in a shell as defined by POSIX, which only permits alphanumeric characters and underscores in function names. However, its usage is allowed in GNU Bash as an extension. [Wikipedia](https://en.wikipedia.org/wiki/Fork_bomb)You're telling markdown to format the code in the language
fork() {and then break the code block early by not having>in front of the next line. Here's a quoted code block formatted insh:fork() { fork | fork & } forkIt seems the app I use to browse doesn't play entirely nice with markdown. I updated my formatting a little, thanks for the notice.
Shouldn't this run into the ulimit and stop?