When using an init system with Linux, you are most likely going to be using Systemd. Systemd is what comes with the majority of Linux distros as of current. However, there has been a lot of criticism against Systemd. Luckily, there are other init systems that you can use. I am going to provide some of the alternatives, and you can decide for yourself what you would like to use as a init system.
A lot of links on posts will lead you to the correct website, but add their affiliate links or promo codes. It’s always safer to just copy/paste.
Systemd is faster on good hardware, but booting with systemd on my hardware takes about double the time then it does with runit.
Or you could read the popup of your browser.
Copy paste can actually inject code which isn’t visible so you’d have to paste into a text editor and then into the URL bar to be safe.