SymbOS

Operating system SymbOSScreenshot of the SymbOS desktop on the Amstrad CPCDeveloperSymbiosiSWritten inAssembly language (Zilog Z80)Working stateCurrentSource modelFreewareInitial release1 May 2006; 20 years ago (2006-05-01)Latest release4.0 / 31 January 2025; 19 months ago (2025-01-31)Available inEnglishSupported platformsAmstrad CPC, MSX, Amstrad PCW, Amstrad NC100, Amstrad NC200, Enterprise 64/128, ZX Spectrum Next, Virtual MachineKernel typeMicrokernelDefaultuser interfaceGraphical user interfaceOfficial websitewww.symbos.de SYmbiosis Multitasking Based Operating System (SymbOS) is a multitasking operating system for Zilog Z80-based 8-bit computer systems. Unlike early 8-bit operating systems, SymbOS is based on a microkernel, which provides preemptive and priority-oriented multitasking and manages random-access memory (RAM) with a size of up to 1024 KB. It has a Windows-like graphical user interface (GUI), supports hard disks with a capacity of up to 128 GB and can already be booted on an unexpanded Amstrad CPC-6128, a 128K-MSX2 and an Amstrad PCW. As of January 31, 2025, it is available for the Amstrad CPC, Amstrad PCW models, Amstrad NC series of computers, Enterprise 64/128,