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I don't know who Wayland is
(i.imgflip.com)
If anyone wants to give an ELI5 or a link to a video that ELI5 I'd be incredibly thankful
I swear that all the stuff I find is like super in depth technical stuff that just loses me in no time flat
Programs running graphically (Firefox, your file browser, etc.) need a way to tell the system "draw these pixels here". That's what the display server does; it takes all these applications, works out where their windows are and manages that pixel data.
XOrg has historically been the display server in common use, but it's very old and very cobbled together. It generally struggles with "modern" things that must people expect today. Multimonitor setups, vsync, hdr and all that. They work, but support is hacked together and brittle.
Wayland is a replacement for XOrg that was designed from scratch to fix a lot of these issues. But it's been an uphill battle because XOrg is the final boss of legacy codebases.
tl;dr They're both software that manages drawing pixels from applications to the display.
How do I check which one my OS uses?
It's not os based, usually you can switch between the 2 on your login screen. To check if you are in a wayland session, type this in a terminal:
The answer should be
waylandorx11Huh, it's x11... Isn't Wayland also better for gaming? I would want to switch.
afaik with nvidia x11 is still recommended for gaming