Hercules & MVS 
Frequently Asked Questions

As I rewrote my MVS 3.8 installation instructions, I decided to add this page as a way of handling miscellaneous questions that might arise.  I also tried to remember and include some of the questions that have been asked and answered in the group discussions.  I will be adding to this page, so it might be a good idea to check back from time to time, especially if you have a question you need answered.  


[December 2006] I have been made aware of a compatibility issue when text files (scripts and JCL) from the archives on my site are used on Linux/UNIX systems:

All your shell-Scripts/jcls and *.cnf have the Control-Character "<CTLR>M" at the end of 
the line when I make a "tar -xvzf installmvs.tgz" on the ubuntu Linux-Box and then 
shell-Scripts are not executable within the Shell.

Even though I create all archives using tar under Cygwin rather than using a Windows archive program to make them as compatible as possible between Linux/UNIX and Windows users, this is a problem that can't have a universal solution.  There is a utility that may be run on Linux/UNIX systems - fromdos - that will translate these files so that they will function correctly.  There are a number of sources for the utility; use the search term 'fromdos' in your favorite search engine or use this link:

Tofrodos - Convert text files to/from MSDOS/Windows/Unix (freeware)


General MVS Questions


General Hercules Questions


Console Operations




System Generation / System Setup / System Modification


Application / User Tasks


(Batch Job / Dataset Management)

(Assembling / Compiling / Sorting)

JCL (Job Control Langauge)

If you have questions that I can try to answer for you, please don't hesitate to send them to me:

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This page was last updated on July 29, 2016 .