|ISOBOOT(7)||Standards, Environments, and Macros||ISOBOOT(7)|
isoboot — Boot
code for hybrid ISO/USB images on BIOS-based computers
isoboot is used on BIOS-based computers to
boot from an ISO image that has been written to a USB flash drive or other
isoboot is installed in a
x86 Boot partition with
The El Torito standard for bootable CDs provides a 32KB
"System Area" at the beginning of an image. To create an image
that is able to be booted by the BIOS as either a CD-ROM ("ISO")
and as a more HDD-like image (e.g. on a USB flash drive) it is necessary to
have both a standard El Torito boot catalog containing a HDD-style partition
table and boot code.
isoboot is intended to be
placed in a MBR x86 boot partition to allow the system to find the standard
loader(7) in the ISO filesystem later
in the image.
isoboot looks for an ISO filesystem image
on the device it was booted from and seeks to read the primary illumos
loader(7) from there.
isoboot appeared in FreeBSD 12.0.
This manual page written by Benno Rice ⟨benno@FreeBSD.org⟩.
|March 30, 2018||OmniOS|