Pipes (the tobacco kind, not the Unix kind) used to be a lot more popular back then.
Edit: Dr. Dobb's review at https://archive.org/details/1985-03-dr-dobbs-journal/page/11... . Says SAVVY PC was written in MMS Forth "this despite John Dvorak's statment in his InfoWorld column, "Inside Track," that no decent program was ever written in Forth". :)