Editing IBM mainframe (section)

===Emulators===
There are software-based emulators for the System/370, System/390, and System z hardware, including [[FLEX-ES]], which runs under [[UnixWare]] or [[Linux]],<ref>{{cite web|url=http://www.funsoft.com/technical.html|title=Technical Overview: FLEX-ES|access-date=May 8, 2015|archive-date=May 18, 2015|archive-url=https://web.archive.org/web/20150518070835/http://www.funsoft.com/technical.html|url-status=live}}</ref> and the freely available [[Hercules (emulator)|Hercules]], which runs under [[Linux]], [[FreeBSD]], [[Solaris (operating system)|Solaris]], [[macOS]] and [[Microsoft Windows]].
IBM offers an emulator called zPDT (System z Personal Development Tool) which runs on Linux on [[x86-64]] machines.<ref>{{cite web|url=https://www-304.ibm.com/partnerworld/wps/servlet/ContentHandler/pw_com_zpdt|title=IBM System z Personal Development Tool|publisher=IBM|access-date=January 27, 2016|archive-date=March 4, 2016|archive-url=https://web.archive.org/web/20160304051831/https://www-304.ibm.com/partnerworld/wps/servlet/ContentHandler/pw_com_zpdt|url-status=live}}</ref>