The wiki software fscks up the naming with single underscores, needs fixing somehow... - hubertf

> For now, use a backslash in front of the underscore. --reed

The site www.bsdinstaller.org seems unavailable (gone), at least for me, since April 2016 (maybe earlier?). Still not sure what to say about DragonFly installer(?).
Also, since FreeBSD 9.0, bsdinstall(8) has replaced sysinstall(8). - DrDavid
