FreeBSD: How To Install FreeBSD 8.x from USB Flash Drive

FreeBSD 8 can be installed from a USB memory stick. The required files can be downloaded via FTP:

i386: ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/8.2/FreeBSD-8.2-RELEASE-amd64-memstick.img
amd64: ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/8.2/FreeBSD-8.2-RELEASE-amd64-memstick.img

Insert the USB drive into the computer running Linux/FreeBSD and make sure it gets detect by the Kernel. You can check if the USB device got detect or not by running the following command:

dmesg