I cannot say much about which Assembler Xenix used, but in 1992 it was clearly still K&R C, the version I had access to was either lacking X installation or pure text based terminals.
It was so expensive in Escudos, that for teaching an high school class about UNIX, the teacher would bring a tower (286 or early 386 model) that would be timeshared with the whole class, meaning taking 15 minute slots seating at it, while having prepared the exercises, as much as we could, in Turbo C 2.0 on MS-DOS.
It was so expensive in Escudos, that for teaching an high school class about UNIX, the teacher would bring a tower (286 or early 386 model) that would be timeshared with the whole class, meaning taking 15 minute slots seating at it, while having prepared the exercises, as much as we could, in Turbo C 2.0 on MS-DOS.
It definitly wasn't SCO UNIX though.