ProgressBISC

Abandoned

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ProgressBISC is a series of systems that are based off the RISC operating systems developed by Acorn Computers.

This was created by: MrLoganS

If you have a suggestion for a new OS, feel free to message me on the discord or on my message wall.

ProgressBISC

Retro Systems

System	Based on	Year made
Author 0.95	ArthurOS 0.30	1984
Author 1.23	ArthurOS 1.0	1986
Author 1.99	ArthurOS 1.20	1987
BISC 3.45	RISC OS 3.1	1989

Mainline Systems

System	Based on	Year made
BISC 4.01	RISC OS 3.7	1992
BISC 4.01 +Plus!	RISC OS 3.71	1993
BISC 4.44	RISC OS 4.39	1997
BISC 5.0!	RISC OS 5.02	1999
BISC 6.0!	RISC OS Six	2008
BISC 6.9	RISC OS Pi	2017
BISC 7.0!	RISC OS Pi 400	2020

Enhanced Kernel Systems

System	Based on	Year made
BISC 3.61 Server	RISC OS 3.6	1990
BISC 4.20 Server	RISC OS 4.02	1994
BISC 5.0! Server	RISC OS 5.14	2000
BISC 6.0! Server	RISC OS Six	2009

Beta Systems

System	Based on	Year made
BISC eX	RISC iX	1988
BISC Modify	RISC OS Adjust	1996
BISC 5.98	RISC OS 5.21	2003
BISC 6.66	RISC OS Six	2013