“It’s a Unix system. … I know this” XD

Back in the days when it was an MS-DOS world…

Just wouldn't have hit the same.

"It's a DOS system... I need to edit the config.sys because the mouse driver has taken up too much base memory and I need to configure EMM386."

"Oh great! Is this HDD Master or Slave? Where are my tweezers, I need to swap the jumper!"