Unix V7
Bell Labs, ported to the PC by Robert Nordier, 1979
Unix, BSD & Linux
Runs on copy.sh
86-DOS
Seattle Computer Products, 1981
DOS
Runs on copy.sh
Windows 1.01
Microsoft, 1985
Windows
Runs on copy.sh
Windows 2.03
Microsoft, 1987
Windows
Runs on copy.sh
Windows 3.1
Microsoft, 1992
Windows
Runs on copy.sh
MS-DOS 6.22
Microsoft, 1994
DOS
Runs on copy.sh
Windows 95
Microsoft, 1995
Windows
Runs on copy.sh
Windows NT 4.0
Microsoft, 1996
Windows
Runs on copy.sh
Windows 98
Microsoft, 1998
Windows
Runs on copy.sh
BeOS 5
Be Inc., 2000
Independent
Runs on copy.sh
Windows 2000
Microsoft, 2000
Windows
Runs on copy.sh
Oberon
Niklaus Wirth, Jürg Gutknecht and ETH Zurich, 2003
Independent
Boots on this page
NetBSD
The NetBSD Project, 2008
Unix, BSD & Linux
Runs on copy.sh
Damn Small Linux
John Andrews, 2012
Unix, BSD & Linux
Runs on copy.sh
FreeDOS
The FreeDOS Project, 2012
DOS
Boots on this page
Floppy Bird
Mihail Szabolcs, 2014
Boot-sector
Boots on this page
Minix
Andrew S. Tanenbaum and contributors, 2014
Unix, BSD & Linux
Runs on copy.sh
BootChess
Olivier "Baudsurfer" Poudade, Red Sector Inc., 2015
Boot-sector
Boots on this page
Sortix
Jonas 'Sortie' Termansen and contributors, 2016
Independent
Boots on this page
TetrOS
Daniel Etzold, 2016
Boot-sector
Boots on this page
OpenBSD
Theo de Raadt and the OpenBSD project, 2019
Unix, BSD & Linux
Runs on copy.sh
SectorLISP
Justine Tunney, 2021
Boot-sector
Boots on this page
SerenityOS
Andreas Kling and the SerenityOS contributors, 2022
Independent
Runs on copy.sh
Dusk OS
Virgil Dupras, 2023
Independent
Boots on this page
KolibriOS
The KolibriOS team, 2023
Independent
Boots on this page
Haiku
Haiku, Inc. and contributors, 2024
Independent
Runs on copy.sh
HelenOS
The HelenOS project, 2024
Independent
Boots on this page
Redox
Jeremy Soller and the Redox developers, 2024
Independent
Runs on copy.sh
ELKS
The ELKS developers, 2026
Unix, BSD & Linux
Boots on this page