Page "MUMPS" Paragraph 6
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During the early 1980s several vendors brought MUMPS-based platforms that met the ANSI standard to market.
The most significant were Digital Equipment Corporation with DSM ( Digital Standard MUMPS ), InterSystems with ISM ( InterSystems M ) on VMS and UNIX, and M / 11 + on the PDP-11 platform.
Other companies developed important MUMPS implementations:
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