A minimal x86 operating system built from scratch in C99 and x86 Assembly — featuring a custom bootloader, VGA driver, keyboard/mouse drivers, memory manager, and interactive shell. No Linux. No stdlib. Pure bare metal.
kernel assembly c99 osdev operating-system qemu x86 memory-management grub bare-metal from-scratch low-level-programming systems-programming hobby-os vga-driver os-development keyboard-driver kernel-development interrupt-descriptor-table beginner-os
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Updated
Jul 15, 2026 - C