this post was submitted on 29 Aug 2026
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From Wikipedia, the free encyclopedia
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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You’ll have to repartition your disk as GPT (which will delete all your data, so you’ll need to back everything up), then install them both again. GPT disks use an EFI partition that can hold multiple boot loaders. Install Linux first, so it creates a larger EFI partition. Then when you install Windows, it should use the same partition. In the UEFI (BIOS), you’ll be able to select which one you want to boot. Linux’s boot loaders (like GRUB) can usually show the Windows install as a bootable option. Windows’ boot loader will only boot Windows.
One thing to note is that you’ll need to run the grub setup again after you install Windows so you get it as an option at boot. How you do that depends on your distro. In Ubuntu and its derivatives, it’s just
sudo update-grub.