Submitted by: Guerkan Karaman <gk.freebsd _at_ googlemail.com>
Approved by: glarkin (mentor)
gPXE is an open-source PXE implementation and bootloader.
Create network booting code that allows computers to load
their operating system from a network or to extend an
existing PXE implementation with support for additional
protocols, such iSCSI, HTTP, TFTP, NFS, FTP and ATA