MVS 3.8j Tur(n)key 4- ("TK4-") is a ready to use OS/VS2 MVS 3.8j system built specifically to run under the Hercules System/370, ESA/390, and z/Architecture Emulator.
(MVS 3.8 est la dernière version "public domain" de MVS)

Voir aussi entre autres http://www.jaymoseley.com/hercules/installMVS/iMVSintroV7.htm