driving_croonerGit, invented in 2005. Programmers on 2004:
darklamerThe first version control system I ever used was CVS and it was first released in 1986 so it was already old and well established when I first came to use it.
Anyone in these past forty years not using a version control system to keep track of their source code have only themselves to blame.
dpflugBefore that, it was RCS, released in '82.
Luckily I’m young enough that I never had to use RCS.