ah, yes, but those _felt_ as old as dirt.
On the other side, I remember howtos/manuals/READMEs in the early '00s referring to su(1) and only sometimes saying "..these days you should be using sudo(8)", so it always felt like something "new" :)
And `ed` dates from 1969: https://en.wikipedia.org/wiki/Ed_(text_editor)