Short: a very short operating system : SUMOS Author: tcheko at no-log dot org (Antoine Dubourg) Uploader: "Antoine Dubourg" Type: dev/asm Version: 0.0 Architecture: m68k-amigaos >= 1.1 This is a 236 bytes Suboptimal Useless Minimalistic Operating System. SUMOS features : - Keyboard I/O managment SUMOS doesn't feature : - Interrupt handling - Inter Processus Communication - Memory protection, allocation or whatever who seems mandatory nowdays - ... But. Theoricaly, you can do whatever you want with. How it works ? The OS is a simple loop which read keystroke. Valid keys are : - 0 to 9 - A B C D E and F Every time you hit a valid key (0..F), the HEX value is written after the last OS instruction. When ESC key is stroke, the processor runs what you typed. Carefully keystroke sequence may work. Simplest, shortest and working program : 4EFAFF66 which means : JMP -152(PC) (back to start) No warranty for whatever. This program can crash your computer. You are warned. =)