Comment on Dont copy
mdhughes@lemmy.sdf.org 4 weeks agoOther way around. You punched the edge to make it writeable (or double-punched to write on the back side, if you were brave). Cover it to make it read-only. The 3.5" sliders were the same mechanism, open was write, closed was read-only.
lemmyseizethemeans@lemmygrad.ml 4 weeks ago
Oh the double punch. That’s a deep cut there