Editing OpenVMS (section)

====Text-based user interfaces====

{{Main|DIGITAL Command Language}}

The [[DIGITAL Command Language]] (DCL) has served as the primary [[command language]] interpreter (CLI) of OpenVMS since the first release.<ref>{{cite book|title=Writing Real Programs in DCL |edition=2nd |first1=Stephen |last1=Hoffman |first2=Paul |last2=Anagnostopoulos|year=1999|publisher=Digital Press |isbn=1-55558-191-9}}</ref><ref name="vms-1.0-spd">{{cite web|url=http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/AE-C770B-TE%20VAX-VMS%20Operating%20System,%20Version%201.0%20SPD%2025.1.2.pdf|date=September 1978|title=Software Product Description – VAX/VMS Operating System, Version 1.0|publisher=Digital Equipment Corporation|access-date=October 21, 2021}}</ref><ref name="vms-8.4-spd" /> Other official CLIs available for VMS include the [[RSX-11]] Monitor Console Routine (MCR) (VAX only), and various [[Unix shell]]s.<ref name="language-1985" /> DEC provided tools for creating [[text-based user interface]] applications – the ''Form Management System'' (FMS) and ''Terminal Data Management System'' (TDMS), later succeeded by ''DECforms''.<ref>{{cite web|url=http://h30266.www3.hpe.com/PDFs/HPFMS25.pdf|title=Software Product Description HP DECforms for OpenVMS, Version 4.0|website=Hewlett Packard Enterprise|access-date=January 1, 2021|date=August 2006}}{{Dead link|date=October 2022 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite web|url=http://h30266.www3.hpe.com/PDFs/SPDDecforms40.pdf|title=Software Product Description HP FMS for OpenVMS, Version 2.5|website=Hewlett Packard Enterprise|access-date=January 1, 2021|date=January 2005}}{{Dead link|date=October 2022 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite web|url=http://h30266.www3.hpe.com/PDFs/TDMSforVAXV19B.pdf|title=Compaq TDMS for OpenVMS VAX, Version 1.9B|date=July 2002|access-date=January 1, 2021|website=Hewlett Packard Enterprise}}{{Dead link|date=October 2022 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> A lower level interface named ''Screen Management Services'' (SMG$), comparable to Unix [[curses (programming library)|curses]], also exists.<ref>{{cite web|url=http://h30266.www3.hpe.com/odl/vax/opsys/vmsos73/vmsos73/5935/5935pro_contents.html|title=OpenVMS RTL Screen Management (SMG$) Manual|date=2001|access-date=January 1, 2021|website=Hewlett Packard Enterprise|archive-date=December 4, 2020|archive-url=https://web.archive.org/web/20201204210834/http://h30266.www3.hpe.com/odl/vax/opsys/vmsos73/vmsos73/5935/5935pro_contents.html|url-status=dead}}</ref>