RISC OS

RISC OS is an operating system developed by Acorn Computers from 1987 to 1998 then taken over by RISCOS Ltd from version 4.

Version list[edit | edit source]

ArthurOS[edit | edit source]

RISC OS 2[edit | edit source]

RISC OS 3[edit | edit source]

RISC OS 4[edit | edit source]

RISC OS 5[edit | edit source]

RISC OS 6[edit | edit source]