this post was submitted on 19 Jan 2026
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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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Some very good advice here already so I’ll be brief.
Here are some random things that spring to mind as being of note as someone who hasn’t switched exactly, but has used Macs since 1995 and uses Linux alongside macOS.
Gnome will be the most familiar on day 1, BUT. It’s amazing how quickly that won’t matter anymore when you’re learning what’s what. I started on Gnome and avoided KDE Plasma, which everyone said was more like Windows - and still ended up liking KDE Plasma the most. Both aesthetically and in terms of how easy it is to adjust anything that might not be quite right.
Avoid XFCE if you have a high resolution display, and you’re installing Linux on an old Mac. Customising XFCE to scale things correctly for high resolution is stuff you just don’t want to be messing with as a new Linux user.
Avoid X11 and use Wayland (which will be fine if you use KDE or Gnome). X11 was very confusing to me as a Mac user, as certain changes require a reboot. As above, this is just an extra level of complexity you don’t need if you’re used to Macs. On Wayland if you change the visual scale of the interface or cursor size, it just changes then and there. On X11 you’ll be wondering why certain things don’t seem to be changing…
On macOS you install apps generally by drag and drop. On Linux, whilst this isn’t actually true when you know what you’re doing, it’s as if you only have the App Store. It might have different names on different distros or DEs, but fundamentally you’re going to have a single repository that all your apps and updates are coming from.
Firefox has a hidden menu bar and you have to push alt to bring it up.
Apart from swapping ctrl and cmd many keyboard commands will be familiar.
It’s ultimately up to you how familiar you want to get with the terminal. Some distros you could genuinely ignore its existence. Others would expect you to use it at times and not supply certain GUI tools for certain things.
People are probably right that Linux Mint is the best place to start. You almost certainly will want to switch just to see what else is out there at some point, it’s just how things go. I use KDE Plasma on Debian now. But there’s nothing Mint is lacking or doesn’t have. Ultimately the only reason I’m not still using Mint is because of wanting to use Plasma, which is doable on Mint if anyone wanted to, but not officially supported.