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os-from-scratch

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Build your own operating system from scratch. A minimal 32-bit x86 custom OS written in C and assembly, with a GRUB (Multiboot) bootloader, VGA text console, PS/2 keyboard driver, interactive shell and kernel panic handler. Runs in QEMU, VirtualBox and VMware. A good starting point for OS development.

  • Updated Oct 19, 2026
  • C

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