[Info-vax] How VMS Got a Better Deal than MPE

[Ken Farmer]

The operating system built for DEC minicomputers mirrors the HP 3000’s OS in many ways. Most important was the goal of getting a business OS into the market during the 1970s, servicing commercial computer users. VMS was also built to support science and technology computing, which was really more of a matter of who Digital chose to sell to. HP tried to sell MPE to the sciences and tech firms, but DEC got the applications to embrace those markets.

https://legacyos.org/how-vms-got-a-better-deal-than-mpe/