I'd say "old skool" (affectionately) would do. ;-)
eric
PS - my background is of similar vintage: Amdahl 470 (MTS), PDP 11/x
(various) with various DEC OS I cannot remember & Unix, TRS-80
Model I, Motorola 68k w/Unix v7, IBM PC, TRS Model 100 (loved this
one), VAX 11/780 (BSD), Atari ST, Sun 3 (SunOS), SparcStation
(Solaris), and then a whole host of PCs running Linux since 1992.
--
Eric S Fraga via Emacs 27.0.50 & org 9.1.13 on Debian buster/sid