Ahem... - knowing right IRQs to have sound in a game - editing autoexec.bat to get your cd drive to work - hoping your game and your graphics card are compat

Ahem... - knowing right IRQs to have sound in a game - editing autoexec.bat to get your cd drive to work - hoping your game and your graphics card are compatible (as much as we can hate Microsoft, DirectX was a good thing they did) - wanna chat with girls? First dialup modem, then knowing AT commands to disable "wait for dial tone", because somehow that didn't work in my country, installing an irc client, knowing the right server address and port to connect to, to be finaly able to send "asl?" to some random "_HornyGirl_" and getting back "13/f/cali" ...