This is my personal wiki that I use to keep track of important fixes, workarounds, cool tricks, and other information about *nix. My favorite OS's would be FreeBSD and ArchLinux, but you'll find all kinds of things in this wiki.
Feel free to have a look around if you think something might be useful.
FreeBSD pages: FreeBSD
General *nix pages: General Linux/Unix
Windows pages: General Windows
Scripting/Programming pages: Programming