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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.0//EN" "html.dtd">
<HTML>
<HEAD>
<TITLE>The Hercules System/370, ESA/390, and z/Architecture Emulator</TITLE>
<LINK REL=STYLESHEET TYPE="text/css" HREF="hercules.css">
<link rel="shortcut icon" href="images/favicon.ico" />
<link rel="icon" href="images/favicon.ico" />
<style>
th.noborder, td.noborder {
border-style: none;
}
li.spaced:not(:last-child) {
margin-bottom: 5px;
}
</style>
</HEAD>
<BODY BGCOLOR="#ffffcc" TEXT="#000000" LINK="#0000A0"
VLINK="#008040" ALINK="#000000">
<table><tr><td>
<table width="200" align="right">
<tr>
<td rowspan="2"></td>
<td width="200" align="center">
<img vspace="5" src="images/hercpic-rblk-256.gif" alt="Hercules logo" width="160" height="160">
</td>
</tr>
<tr>
<td width="200" align="center">
<a href="http://www.opensource.org/">
<img vspace="10" src="images/osi-certified-60x50.jpg"
alt="Hercules is OSI Certified Open Source Software" border="1" width="60" height="50">
</a>
</td>
</tr>
</table>
<h1>The Hercules System/370, ESA/390, and z/Architecture Emulator</h1>
<hr noshade>
<h2>Hercules 4.0 (Hyperion)</h2>
<hr noshade>
<p>
This is official web page for <b>Hercules</b> version 4.0,
working titled <b>"Hyperion"</b>,
the development version of Hercules.
Hyperion is developed and supported by a small group of volunteers.
</p>
<p>
<strong>Hercules</strong> is an open source software implementation of the mainframe
System/370 and ESA/390 architectures, in addition to the latest 64-bit
z/Architecture.
Hercules runs under Linux, Windows, Solaris, FreeBSD, and macOS.
Hercules is licensed under the terms of the
<a href="herclic.html" target="_blank">Q Public Licence</a>.
The Q Public License is
<a href="https://opensource.org/licenses/QPL-1.0" target="_blank">certified</a>
as an open source license by the
<a href="http://www.opensource.org/">Open Software Initiative</a>.
</p>
<hr />
<h3>Using Hercules to Emulate a Mainframe</h3>
<p>
To emulate a mainframe using Hercules,
you will need a few things:
</p>
<ol>
<li>A suitable host computer.</li>
<li>Hercules Installation and Setup Instructions</li>
<li>Mainframe software, most often an operating system.</li>
<li>Documentation for the software you plan to use.</li>
</ol>
<p>
Prior experience programming or supporting a
mainframe operating operating system is not
required but is very helpful.
</p>
<h4>Host Computer Capability</h4>
<p>
Hercules will run just fine on most modern desktop
or laptop computers.
Performance will depend on what you do with Hercules.
Emulating a mainframe running DOS/360,
one of IBM's oldest mainframe operating systems
and one that would run in 16KiB of mainframe core
memory,
will require far fewer host system resources
than, say,
a more modern MVS 3.8j configured with 16MiB of
emulated core and running a number of batch jobs.
One of the mainframe ports of Linux will require
still more resources.
</p>
<p>
On x86-based systems,
Hercules will work on 32-bit and 64-bit systems.
Hercules does not require hardware-based virtualization
capabilities and runs fine on operating systems
that are themselves running in a virtual environment
such as Oracle Virtualbox.
</p>
<p>
Muliple cores on the host system are helpful when
emulating a mainframe configured with multiple
CPUs,
but multiple cores are not a requirement.
</p>
<h4>Suitable Host platforms</h4>
<ul>
<li class="spaced">
<strong>Windows:</strong> Windows XP x64 or Windows Server 2003 R2 or greater.
Windows Vista or newer 32-bit or 64-bit will work.
</li>
<li class="spaced">
<strong>UNIX-like systems:</strong> Linux-based systems and FreeBSD.
Solaris is supported when you build Hercules from source using CMake.
</li>
<li class="spaced">
<strong>macOS:</strong> Limited testing; feedback encouraged.
</li>
</ul>
<p>
The above list is limited by the systems available to developers;
we cannot afford to have one of everything.
That said, we welcome feedback and issues from people who try
to install on other platforms.
One Hercules developer has installed on an emulated Raspberry Pi using QEMU.
</p>
<h4>Hercules Installation and Setup Instructions</h4>
<p>
Select the installation procedure appropriate for your system.
</p>
<ul>
<li class="spaced">
<a href="CMake/indexwin.html">Building Hercules for Windows Systems</a>
(Recommended).
Uses CMake to build from source.
</li>
<li class="spaced">
<a href="CMake/index.html">Building Hercules for UNIX-like Systems</a>
(Recommended).
Uses CMake to build from source.
</li>
<li class="spaced">
<a href="CMake/indexmac.html">Hercules Installation for macOS Systems</a>
(Recommended).
Uses CMake to build from source.
</li>
<li class="spaced">
<a href="hercinst.html">Installation Using Legacy Tools</a>.
Uses makefile.bat/NMake (Windows) or GNU Autotools (UNIX-like systems and macOS)
to build from source.
Includes Windows binaries installation instructions.
Useful if you encounter problems using CMake to build from source.
</li>
</ul>
<p>
Most of the mainframe system web sites below include
configuration instructions,
sample configuration files,
and in some cases,
pre-built emulated DASD files.
Some do not.
The following links can be used to complete
the setup of a Hercules emulated mainframe system.
</p>
<ul>
<li class="spaced">
<a href="hercconf.html">Configuration File</a>.
Create a configuration file that defines
the system configuration including I/O devices.
</li>
<li class="spaced">
<a href="hercload.html">Creating DASD</a>.
Create emulated DASD volumes for attachment to
an emulated mainframe.
</li>
<li class="spaced">
<a href="cckddasd.html">Compressed DASD Emulation</a>.
Create emulated DASD volumes using compression to
reduce host computer disk space needs.
</li>
<li class="spaced">
<a href="telnet.html">Telnet/tn3270 Console How-To</a>.
Connect to an emulated mainframe 3270 device,
3270 operator console,
and/or 1052 or 3215 printer-keyboard.
</li>
<li class="spaced">
<a href="hercoper.html">Operating Procedures</a>.
Hercules command line parameters,
panel commands,
keyboard use,
and the Hercules Automatic Operator (HAO).
</li>
</ul>
<h4>Mainframe Software</h4>
<p>
You have a number of choices,
and you are not limited to the packages listed here.
IBM DOS/VS and IBM DOS/360 pre-date and bear absolutely no resemblance to
<span style="white-space: nowrap;"></span>PC-DOS or
<span style="white-space: nowrap;"></span>MS-DOS.
</p>
<p>
Note that if you run mainframe software within
Hercules,
you must respect the terms and conditions of
the software license for that software.
</p>
<ul>
<li class="spaced">
<strong><a href="https://en.wikipedia.org/wiki/MVS" target="_blank">IBM MVS</a></strong>.
Jay Moseley has a very complete tutorial for
<a href="http://www.jaymoseley.com/hercules/" target="_blank">installing and running MVS 3.8j</a>,
IBM's last release of MVS.
</li>
<li class="spaced">
<strong>Turnkey MVS systems</strong>.
There are at least two.
Each includes its own copy of Hercules.
If a Turnkey system suits you,
with its pre-installed mainframe operating system,
there is no need to install Hercules from this site.
<ul>
<li>Volker Bandke's <a href="http://www.bsp-gmbh.com/turnkey/" target="_blank">MVS Tur(n)key System</a></li>
<li>Jürgen Winkelmann's <a href="http://wotho.ethz.ch/tk4-/" target="_blank">TK4-</a></li>
</ul>
</li>
<li class="spaced">
<a href="https://en.wikipedia.org/wiki/OS/360_and_successors#MVT" target="_blank">
<strong>IBM OS/360 MVT</strong></a>,
a non-virtual storage operating system.
Jay Maynard has a good installation procedure at
<a href="http://www.conmicro.com/hercos360/" target="_blank">
Introduction to Generating and Running OS/360 on Hercules</a>
</li>
<li class="spaced">
<a href="https://en.wikipedia.org/wiki/DOS/360_and_successors#DOS/VS" target="_blank">
<strong>IBM DOS/VS</strong></a>.
See Yahoo user ceo1944's
<a href="https://xa.yimg.com/df/H390-DOSVS/2314dos.zip?token=O_EaUFZNM1ysRqSNnu0yltXgRxz64FxKEy-bF5bQOdYtbtb0qeIc62CVfCZITl7XIyIm3Ep8w05e7R-rMrOJbkTKMYI8d6jY128&type=download">
2314DOS.zip</a>.
This link downloads a zip archive of JCL and instructions from the Yahoo group
<a href="https://groups.yahoo.com/neo/groups/H390-DOSVS/info" target="_blank">
<span style="white-space: nowrap;">H390-DOS/VS</span></a>;
free registration required.
</li>
<li class="spaced">
<a href="https://en.wikipedia.org/wiki/DOS/360_and_successors" target="_blank">
<strong>IBM DOS/360</strong></a>.
There are at least four installation procedures available.
The first three are in the
<a href="https://groups.yahoo.com/neo/groups/H390-DOSVS/info" target="_blank">
<span style="white-space: nowrap;">H390-DOS/VS</span></a>
Yahoo group
(free registration required)
and the fourth is a stand-alone web site.
<ul>
<li>
Bill Carlborg's
<a href="https://xa.yimg.com/df/H390-DOSVS/dos360-2314.zip?token=MPFimNo7jHqpod_6lzBBJDb_biQSsmBmoIXTix2dgmXH-21ONQN801pRMrZlDDc8TSBuQaNTOhC8DGFX2PbWfuHxSSBs4cUVIFb_lWz6&type=download" target="_blank">
<span style="white-space: nowrap;">DOS360-2314.zip</span></a>
(downloads a .zip archive).
</li>
<li>
Ben Huntsman's
<a href="https://xa.yimg.com/df/H390-DOSVS/DIY-DOS360.zip?token=gFJ6LzhRIUXfW1povoYYIdQjNlP_P2y8lQnolBKbiDqikX2dwhrodt-eOzDQUqvku1YB6HMBEVMbmF96NlwgKx0W1qg5wFoa4Z2IiKk&type=download" target="_blank">
<span style="white-space: nowrap;">DYI-DOS360.zip</span></a>
(downloads a .zip archive).
</li>
<li>
Kevin Leonard's
<a href="https://groups.yahoo.com/neo/groups/H390-DOSVS/files/DOS-360%2026.2/" target="_blank">
<span style="white-space: nowrap;">DOS-360 26.2</span></a>
</li>
<li>
<a href="https://sites.google.com/site/dos360install/" target="_blank">
https://sites.google.com/site/dos360install/</a>.
This site is loosely modeled on Jay Moseley's MVS 3.8j site noted above.
</li>
</ul>
</li>
<li class="spaced">
<strong><a href="https://en.wikipedia.org/wiki/VM_(operating_system)" target="_blank">IBM VM/370</a></strong>.
See the
<a href="http://www.cbttape.org/vm6.htm" target="_blank">VM/370 R6</a>,
page on the
<a href="http://www.cbttape.org/" target="_blank">cbttape.org</a>
site.
Turnkey versions of VM/370 are available on David Wade's
<a href="http://www.smrcc.org.uk/members/g4ugm/VM370.htm" target="_blank">
G4UGM's Vintage and Classic Computer pages</a>
</li>
<li class="spaced">
<a href="https://en.wikipedia.org/wiki/Comparison_of_Linux_distributions" target="_blank">
<strong>Linux</strong></a>.
Mainframe versions exist for the following.
Some of these are not open source,
and installation generally requires
<a href="herctcp.html">configuration of a mainframe Channel-to-Channel adapter</a>
to enable network connectivity for installation and/or post-install security updates.
<ul>
<li>
<a href="https://debian.org" target="_blank">Debian</a>
Download a s390x CD or DVD.
</li>
<li>
<a href="https://alt.fedoraproject.org/alt/" target="_blank">Fedora.</a>
Scroll down the page until you reach "s390x Architecture"
at the bottom of the page.
</li>
<li>
<a href="https://www.gentoo.org/downloads/" target="_blank">Gentoo</a>.
The s390x is included under "(experimental)" for "Experimental architectures".
You know what that means.
</li>
<li>
<a href="https://www.redhat.com/" target="_blank">Red Hat</a>.
Paid license or 30-day trial only.
Red Hat supports Fedora as its open source alternative.
</li>
<li>
<a href="https://www.suse.com/products/server/download/" target="_blank">SUSE Enterprise Server</a>.
Paid license or 60-day trial only.
</li>
</ul>
</li>
<li class="spaced">
<a href="https://en.wikipedia.org/wiki/Michigan_Terminal_System" target="_blank">
<strong>Michigan Terminal System (MTS)</strong></a>.
The Michigan Terminal System Archive includes a <a href="https://sites.google.com/site/michiganterminalsystem/mts-d60A" target="_blank">turnkey distribution</a> that has been tailored for
use with Hercules.
Additional helpful information may be found at
<a href="https://try-mts.com/why-try-mts/" target="_blank">https://try-mts.com/why-try-mts/</a>
</li>
<li class="spaced">
<a href="https://github.com/s390guy/SATK" target="_blank"><strong>SATK</strong></a>.
Harold Grovesteen's Stand Alone Tool Kit offers a collection of tools for creating
mainframe assembly language programs on your computer for later execution within
Hercules.
The binary floating point test programs and scripts were created using SATK and serve as
examples for the assembler's capabilities and use.
</li>
<li class="spaced">
<a href="http://tommysprinkle.com/txxos/" target="_blank"><strong>TXXOS</strong></a>.
Tommy Sprinkle's "Bare Metal Programming for the IBM 370 Mainframe" web site
walks you step-by-step from IPL'ing a simple listing program through
building a disk-resident operating system.
</li>
</ul>
<p>
See <a href="hercfaq.html">Frequently Asked Questions</a>,
starting with question <a href="hercfaq.html#2.01">2.01 Can it run z/OS, z/VM, z/VSE?</a>
for more details on available operating systems
and licensing matters.
</p>
<h4>Mainframe Software Documentation</h4>
<p>
Documentation for the Linux distributions, the Michigan Terminal System, SATK, and TXXOS may be found on their respective web sites.
</p>
<p>
Documentation for the IBM operating systems is a different matter;
much of it was published before the Internet existed.
The
<a href="http://www.bitsavers.org/" target="_blank">Bitsavers</a>
site and its mirrors contain a repository of
scanned, and in some cases, OCR'd,
IBM hardware and software reference manuals.
The DOS360Install site has a couple of essential DOS/360
manuals that are not on Bitsavers.
</p>
<p>
Bitsavers is organized first by manufacturer,
then by machine.
Within machine one can find operating system documentation.
Use the following shortcuts to the Bitsavers site.
And explore...one can find very useful information in unexpected places
on Bitsavers.
</p>
<ul>
<li class="spaced">
<a href="http://www.bitsavers.org/pdf/ibm/" target="_blank">
All Bitsavers IBM documentation</a>
</li>
<li class="spaced">
<a href="http://www.bitsavers.org/pdf/ibm/360/" target="_blank">
System/360 hardware & software manuals</a>
<ul>
<li>
<a href="http://www.bitsavers.org/pdf/ibm/360/dos" target="_blank">
DOS/360 software manuals</a>
</li>
<li>
<a href="https://sites.google.com/site/dos360install/start/doclinks" target="_blank">
DOS/360 Bibliography from the DOS360Install site</a>
</li>
<li>
<a href="http://www.bitsavers.org/pdf/ibm/360/os" target="_blank">
OS/360 software manuals</a>
</li>
</ul>
</li>
<li class="spaced">
<a href="http://www.bitsavers.org/pdf/ibm/370" target="_blank">
System/370 hardware & software manuals</a>
<ul>
<li>
<a href="http://www.bitsavers.org/pdf/ibm/370/DOS_VS" target="_blank">
DOS/VS software manuals</a>
</li>
<li>
<a href="http://www.bitsavers.org/pdf/ibm/370/MVS" target="_blank">
MVS software manuals</a>.
Also see
<a href="http://bitsavers.trailing-edge.com/pdf/ibm/370/OS_VS2/" target="_blank">
OS/VS2 software manuals</a>.
OS/VS2 was IBM's original name for MVS.
</li>
<li>
<a href="http://www.bitsavers.org/pdf/ibm/370/VM_370" target="_blank">
VM/370 software manuals</a>
</li>
</ul>
</li>
<li class="spaced">
<a href="http://www-01.ibm.com/support/docview.wss?uid=pub1sa22720108" target="_blank">
ESA/390 Principles of Operation, helpful for Linux, SATK, and TXXOS</a>
</li>
<li class="spaced">
<a href="http://linuxmain.blogspot.com/2012/09/zarchitecture-principles-of-operation.html" target="_blank">
z/Architecture Principles of Operation, helpful for Linux, SATK, and TXXOS</a>
</li>
</ul>
<br /><hr />
<h3>Hercules Documentation and Useful Links</h3>
<p>The Web/HTML documentation is in a "how-to" style with examples.
The downloadable PDFs are comprehensive reference documentation. </p>
<table class="noborder">
<tr class="noborder" style="text-align:center">
<th class="noborder">Web/HTML</th>
<th class="noborder"> </th>
<th class="noborder">Downloadable PDFs</th>
</tr>
<tr class="noborder">
<td class="noborder" style="vertical-align: top">
<ul>
<li><a href="hercoper.html">Hercules Operation</a></li>
<li><a href="hercconf.html">Hercules Configuration File</a></li>
<li><a href="hercload.html">Creating Emulated DASD</a></li>
<li><a href="cckddasd.html">Compressed DASD Files</a></li>
<li><a href="hercmsg.html">System Messages</a></li>
<li><a href="hercfaq.html">Frequently-Asked Questions</a></li>
<li><a href="telnet.html">Telnet/tn3270 Console How-To</a></li>
<li><a href="herctcp.html">TCP/IP networking with Hercules</a></li>
<li><a href="rexxinteg.html">Hercules-REXX Integration</a></li>
<li><a href="shared.html">Shared Device Server</a></li>
<li><a href="hercsupp.html">Technical Support</a></li>
</ul>
</td>
<td class="noborder"> </td>
<td class="noborder" style="vertical-align: top">
<ul>
<li><a href="http://hercdoc.glanzmann.org/V400/HerculesGeneralInfo.pdf" target="_blank">Hercules General Information</a>
<li><a href="http://hercdoc.glanzmann.org/V400/HerculesInstallation.pdf" target="_blank">Hercules Installation Guide</a>
<li><a href="http://hercdoc.glanzmann.org/V400/HerculesUserReference.pdf" target="_blank">Hercules User Reference Guide</a>
<li><a href="http://hercdoc.glanzmann.org/V400/HerculesOperationsandUtilities.pdf" target="_blank">Hercules Operations and Utilities Guide</a>
<li><a href="http://hercdoc.glanzmann.org/V400/HerculesMessagesandCodes.pdf" target="_blank">Hercules Messages and Codes</a>
<li><a href="http://hercdoc.glanzmann.org/V400/HerculesReferenceSummary.pdf" target="_blank">Hercules Reference Summary</a>
</ul>
</td>
</tr>
</table>
<br /><hr />
<h3>Additional helpful links</h3>
<ul>
<li><a href="hercnew.html">What's new in this release</a>
<li><a href="hercrnot.html">Release notes</a>
<li><a href="https://github.com/hercules-390/hyperion/issues" target="_blank">Issue Tracker</a>
<li><a href="http://groups.yahoo.com/group/hercules-390" target="_blank">Support Forum</a>
<li><a href="https://github.com/hercules-390/hyperion/wiki" target="_blank">Developer Wiki</a>
<li><a href="https://github.com/hercules-390" target="_blank">Hercules-390 4.0 Source Code</a></li>
<li><a href="herclic.html">The Q Public Licence</a></li>
</ul>
<br /><hr />
<h3>About Hercules</h3>
<center><hr width=15% noshade></center>
<p>
Hercules was created by Roger Bowler.
Jay Maynard (“the Tron Guy”) was the maintainer from 2000 to 2012.
Jan Jaeger designed and implemented many of the advanced features of
Hercules, including dynamic reconfiguration, integrated console,
interpretive execution and z/Architecture support. A dedicated crew of
programmers is constantly at work implementing new features and fixing bugs.
<center><hr width=15% noshade></center>
<h4>What people are saying about Hercules</h4>
<p>
<em>“
Never in my wildest dreams did I expect to see MVS
running on a machine that I personally own.
Hercules is a marvelous tool. My thanks to you all for a job
very well done.
”</em>
<br>—
Reed H. Petty
<p>
<em>“
I do miss my mainframe a lot, and playing with Herc sure brings back
memories. Just seeing the IBM message prefixes, and responding to
console messages again was a wonderful bit of nostalgia!
”</em>
<br>—
Bob Brown
<p>
<em>“
I have installed your absolutely fantastic /390 emulator.
You won't believe what I felt when I saw the prompt.
Congratulations, this is a terrific software.
I really have not had such a fascinating and interesting
time on my PC lately.
”</em>
<br>—
IBM Large Systems Specialist
<p>
<em>“
Such simulators have been available for a long time. One of the most
complete (up to modern 64-bit z/Architecture) is hercules.
”</em>
<br>—
Michel Hack, IBM Thomas J. Watson Research Center
<p>
<em>“
An apparently excellent emulator that allows those open source
developers with an "itch to scratch", to come to the S/390 table
and contribute.
”</em>
<br>—
Mike MacIsaac, IBM
<p>
<em>“
BTW grab a copy of Hercules and you can test it at home.
It's a very good S/390 and zSeries (S/390 64bit) emulator..
”</em>
<br>—
Alan Cox
<p>
<em>“
It works even better than I imagined.
Hercules is a fine piece of software!
”</em>
<br>—
Dave Sienkiewicz
<p>
<em>“
Hercules is a systems programmer's dream come true.
”</em>
<br>—
René Vincent Jansen
<p>
<em>“
Aside from the electric trains my parents got
me in 1953, this is the best toy I've ever been given,
bar none.”</em>
<br>—
Jeffrey Broido
<p>
<em>“
Congratulations to you and your team on a fine piece of work!
”</em>
<br>—
Rich Smrcina
<p>
<em>“
Congratulations on a magnificent achievement!
”</em>
<br>—
Mike Ross
<p>
<em>“
For anyone thinking running Hercules is too much trouble or too hard
or whatever, I came home from work one day and my 13 year old 8th
grade son had MVS running under VM under Hercules on Linux. He had
gotten all the information about how to do this from the Internet.
When he complained about MVS console configuration and figuring out
how to get it to work with VM, I knew he had felt all the pain he
ever needed to feel about mainframes.
”</em>
<br>—
Scott Ledbetter, StorageTek
<p>
<em>“
I am running a fully graphical Centos z/Linux environment on my desktop.
The Hercules emulator is an amazing feat of engineering.
I just wanted to send my compliments to the team for an excellent job!
Thanks much for making this product part of the open-source community!
”</em>
<br>—
Roby Gamboa
<p>
<em>“
I have DOS and DOS/VS running on Hercules with
some demo applications, both batch and on-line. It does bring back
some good memories. My compliments go to the Hercules team. Thank you.
”</em>
<br>—
Bill Carlborg
<p>
<em>“
This is stunning piece of work. To say that I am blown away is an
understatement. I have a mainframe on my notebook!!!!!!
P.S. Now if I can just remember my JCL
”</em>
<br>—
Roger Tunnicliffe
<center><hr width=15% noshade></center>
<br>
Read Hesh Wiener's Technology News article about Hercules at
<a href="http://www.tech-news.com/another/ap200601b.html">
http://www.tech-news.com/another/ap200601b.html</a>
<p>
Read Moshe Bar's BYTE.com article about Hercules at
<a href="http://web.archive.org/web/20010712143133/http://www.byte.com/documents/s=429/BYT20000801S0002/">
http://web.archive.org/web/20010712143133/http://www.byte.com/documents/s=429/BYT20000801S0002/</a>
<p>
For eighteen months, the IBM Redbook
<em>SG24-4987 Linux for S/390</em> at
<a href="http://www.redbooks.ibm.com/abstracts/sg244987.html">
http://www.redbooks.ibm.com/abstracts/sg244987.html</a>
contained a chapter written by Richard Higson
describing how to run Linux/390 under Hercules.
Then suddenly, all mention of Hercules was mysteriously
removed from the online edition of the book!
Read the story of the disappearing Redbook chapter at
<a href="http://www2.marist.edu/htbin/wlvtype?LINUX-VM.25658">
http://www2.marist.edu/htbin/wlvtype?LINUX-VM.25658</a>
<p>
View the foils from Jay Maynard's presentation given at
SHARE Session 2880
in San Francisco on 20 August 2002
as a PDF file (815K) from
<a href="http://linuxvm.org/Present/SHARE99/S2880JMa.pdf">
http://linuxvm.org/Present/SHARE99/S2880JMa.pdf</a>
<center><hr width=15% noshade></center>
<center><hr width=15% noshade></center>
<p>
<img src="images/note.gif">
<big><b>If you have any questions or comments</b></big>
please consider joining the hercules-390 discussion group at
<a href="http://groups.yahoo.com/group/hercules-390">
http://groups.yahoo.com/group/hercules-390</a>.
<p>
Bug reports for either release (together with your diagnosis of the fault, please)
may be reported to either the
<a href="http://groups.yahoo.com/group/hercules-390">hercules-390 discussion group</a>
or entered into the appropriate Github issue tracker:
<ul>
<li><a href="https://github.com/hercules-390/hyperion/issues">Issues with the <b>hyperion</b> version of Hercules</a>
<li><a href="https://github.com/rbowler/spinhawk/issues">Issues with the <b>spinhawk</b> version of Hercules</a>
<p>
<li><a href="http://groups.yahoo.com/group/hercules-390">Primary Hercules-390 Support Forum</a>
<li><a href="hercsupp.html#other_forums">Other Hercules Support Forums</a>
</ul>
<center><hr width=15% noshade></center>
<h3>
Other Hercules-related sites
</h3>
<ul>
<li><a href="http://www.softdevlabs.com">
http://www.softdevlabs.com</a>
<br><b>Windows GUI</b> for Hercules 4.0 Hyperion and other Hercules related software.<p>
<li><a href="http://www.bsp-gmbh.com/hercules/index.shtml">
http://www.bsp-gmbh.com/hercules/index.shtml</a>
<br>Volker Bandke's ready-to-run MVS 3.8J turnkey system and all things MVS.<p>
<li><a href="http://cbttape.org/~jmorrison/">http://cbttape.org/~jmorrison/</a>
<br>Jim Morrison's downloads (includes 3380 support for MVS 3.8!)<p>
<li><a href="http://www.jaymoseley.com/hercules">http://www.jaymoseley.com/hercules</a>
<br>Jay Moseley's Hercules site - lots of Hercules and MVS information<p>
<li><a href="http://www.tommysprinkle.com/mvs">http://www.tommysprinkle.com/mvs</a>
<br>Tommy Sprinkle's MVS 3.8 documentation<p>
<li><a href="http://hansen-family.com/mvs">http://hansen-family.com/mvs</a>
<br>Bob Hansen's MVS 3.8 documentation<p>
<li><a href="http://www.clueful.co.uk/mbeattie/hercules/tso.html">
http://www.clueful.co.uk/mbeattie/hercules/tso.html</a>
<br>Malcolm Beattie's MVT/TSO documentation<p>
<li><a href="http://www.ibiblio.org/jmaynard">http://www.ibiblio.org/jmaynard</a>
<br>Jay Maynard's S/360 and S/370 public domain software archive<p>
<li><a href="http://www.shedlock.org/Shedlock/Hercules/index.html">
http://www.shedlock.org/Shedlock/Hercules/index.html</a>
<br>George Shedlock's archive of
DOS/VS Release 34 and VM/370 software, books, and information<p>
<li><a href="http://www.smrcc.org.uk/members/g4ugm/VM370.htm">
http://www.smrcc.org.uk/members/g4ugm/VM370.htm</a>
<br>Dave Wade's VM/370 archive<p>
<li><a href="http://perso.wanadoo.es/rptv2005/en/index.html">
http://perso.wanadoo.es/rptv2005/en/index.html</a>
<br>Rafael Pereira's Standalone Programs and 1401 simulator project<p>
<li><a href="http://timpinkawa.net/hercules/">http://timpinkawa.net/hercules/</a>
<br>Tim Pinkawa's Hercules Page<p>
<li><a href="http://www.lightlink.com/mhp/2703/">http://www.lightlink.com/mhp/2703/</a>
<br>Max Parke's Hercules 2703 Page - TTY, TCAM, 3705 and more<p>
<li><a href="https://github.com/s390guy/SATK">https://github.com/s390guy/SATK</a>
<br>Harold Grovesteen's Stand-Alone Tool Kit (SATK)<p>
</ul>
<center><hr width=15% noshade></center>
<p>
<small>
IBM, System/370, ESA/390, and z/Architecture are trademarks or
registered trademarks of <a href="http://www.ibm.com">IBM Corporation</a>.
Other product names mentioned here are trademarks of other companies.
</small>
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