this post was submitted on 04 Apr 2024
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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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I don't think you're right on this. When DELL is branding a laptop as "linux supported", then the hardware normally works out of the box with at the very least, Ubuntu (and probably by most other distros too). If you're seeing hardware incompatibilities, it's probably because the Linux kernel itself might have dropped some of the older hardware drivers from its list of support. I'm writing this on a DELL Latitude 5480 from 2017, and I have installed the latest ubuntu without any hardware issue whatsoever. Everything's just supported out of the box. No special image from DELL was ever required. So if you're seeing your hardware stop working, you should look if DELL provided closed source drivers or firmware for your laptop's hardware. If that's the case, then you didn't have a "linux supported" laptop, you had a laptop with specifically-added Linux support after the fact. I wouldn't have bought that in the first place.
I do want to make this point as well even though I know this thread is old. A lot of the issue comes down to very new hardware that isn't in the mainline kernel yet but may be in the future. So the case of a 2017 laptop being fully supported is not that surprising. The question is if you could get a 2024 laptop from dell to run on mainline kernel with no extra drivers and the answer is likely mixed. The majority would likely work however things like webcam and the fingerprint reader would likely not work. You might still be able to get the drivers directly from dell and get it to work but it can be a hodgepodge and difficult to support. For instance the dell I had when I wrote this I could run on the latest Ubuntu however I had to download the debs for the webcam and fingerprint reader and screw around with the settings and config files to get them to work. Sometimes I would get an update that would break them and then I would need to mess around again to get them working. It's linux so many things are "doable" however I wouldn't say that it was user friendly or simple a lot of times. I am on system76 now and a whole lot happier to be honest.