ucLinux
FreeThe Embedded Linux/Microcontroller project is a port of Linux to systems without a Memory Management Unit (MMU).
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About ucLinux
ucLinux is the Embedded Linux/Microcontroller project, a port of the Linux kernel to systems without a Memory Management Unit (MMU). It enables running Linux on low-cost microcontrollers and embedded devices, providing a full operating system environment for resource-constrained hardware.