When I started, also the terminals we used for online access (TSO, IMS etc.) were uppercase only. I don't know why, maybe because dual case were not available, cost more, were not necessary?
Kees. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Peter Relson > Sent: 30 April, 2019 13:44 > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Upper case for ISPF and SDSF > > <snip> > Is the reason for this because upper case may be easier to read for folks > whose first language is something other than English? > </snip> > > I don't know the answer to the question, but FWIW, historically (long > before there was an ISPF or SDSF) one of the reasons for all-upper-case > was because many consoles could not handle lower case. That is one reason > why the IBM message standard for a very long time was that any console > message had to be all upper case. That requirement has pretty much been > abandoned (but it's unlikely that there will be any concerted effort to > change existing messages). New messages tend towards mixed case, but many > components prefer consistency within their own messages. I'll readily > admit that the mixture of all upper case and mixed case messages on a > console is somewhat jarring. That seems unlikely to change. > > Peter Relson > z/OS Core Technology Design > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
