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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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Differences between Wayland and X11 (lemmy.ml)

submitted 9 months ago* (last edited 9 months ago) by dengtav@lemmy.ml to c/linux@lemmy.ml

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I stumbled upon this post regarding an earlier rant about wayland, but now it seems fine, according to the author.

After using Linux for nearly 5 years, using both depending on distros defaults, I have to admit that I never got the core/main/game changing differences between wayland and x11.

To be said, that I also dont do fancy linux things other than basic sysadmin stuff and from time to time repair the mess my curiosity left behind.

Could somebody explain the differences between those two and afterwards maybe also say some words about what this has to do with the difference between window managers and desktop environments?

I am also happy about links to good blog posts or stuff, that target this very questions (as long as the questions make sence of course). Thanks beforehand :)

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[+] that_leaflet@lemmy.world 86 points 9 months ago* (last edited 3 weeks ago) (3 children)

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[–] lattrommi@lemmy.ml 9 points 9 months ago (1 children)

Excellant write up, thank you.

I'm not exactly sure what 'opinionated' means in terms of software, could you (or anyone who sees this) define it?

[–] that_leaflet@lemmy.world 19 points 9 months ago* (last edited 3 weeks ago)

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[–] cornshark@lemmy.world 4 points 9 months ago (1 children)

Thanks for the interesting write up! Why does Nvidia have to "adopt" Wayland? Is it not just fundamentally drawing some textures into some rectangles?

[+] that_leaflet@lemmy.world 10 points 9 months ago* (last edited 3 weeks ago) (1 children)

[deleted]

[–] cornshark@lemmy.world 2 points 9 months ago* (last edited 9 months ago) (2 children)

Why does Nvidia need to support night light? Can't someone from Wayland just write a simple shader in any shader language that does colour adjustments and apply it to the desktop?

[–] that_leaflet@lemmy.world 8 points 9 months ago* (last edited 3 weeks ago)

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[–] Zamundaaa@discuss.tchncs.de 4 points 9 months ago

Why does Nvidia need to support night light?

They don't, but they needed to support the KMS API for applying lookup tables to the image sent to the screen - desktops relied on that functionality without a fallback, so when it wasn't available, you just didn't get the feature.

Can't someone from Wayland just write a simple shader in any shader language that does colour adjustments and apply it to the desktop?

There's no such thing as "someone from Wayland", just the developers of the DEs (well, the project is named after a town, but I'm sure that's not what you meant).

But, yes, you can use a shader. We implemented that in KWin and we're using it when the driver or hardware doesn't support the functionality we need... but that has a noticeable performance impact, so it's still necessary for the driver to support it natively.

[–] guy_threepwood@lemmy.world -4 points 9 months ago* (last edited 9 months ago) (1 children)

This reads like an AI response to me.

Mac OS has never used X11 as a primary display system. Apple had a version they supplied with older Mac OS X versions for people using older Unix applications (and half-arsed ports) but that’s been unsupported since 2012. You can still install the modern “XQuartz” open source equivalent, but it’s still secondary.