It ain't that difficult. Back in the late 1980s/early 1990s, I worked for a training company teaching C and C++. This was done on Unix boxes and our clients wer

It ain't that difficult. Back in the late 1980s/early 1990s, I worked for a training company teaching C and C++. This was done on Unix boxes and our clients were mostly VAX VMS and IBM people. The editor we used to write code was vi (not vim). The clients had no prior experience of it, but by the end of day one of the course they could write programs using it - not without a lot of complaining, it must be admitted. Perhaps people were smarter back then?