C
The foundational systems language — close to the metal, fast, and still driving operating systems, embedded firmware, and compilers.
static
compiled
since 1972
imperativeproceduralsystems
C was designed to write Unix and has since become the lingua franca of systems programming. Nearly every operating system kernel, embedded microcontroller, and runtime (including Python and Ruby) has C at its core. Its manual memory model and minimal runtime overhead make it irreplaceable for performance-critical software.
