I'm thinking back to my first NetBSD boxes in 1995 which must have run in 4-8MB RAM and ran a mail server, a webmail server I wrote, and multiple users logging

I'm thinking back to my first NetBSD boxes in 1995 which must have run in 4-8MB RAM and ran a mail server, a webmail server I wrote, and multiple users logging in to play MUDs and sit on IRC.