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-.\" Copyright (c) 2018 iXsystems, Inc.
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.Dd March 30, 2018
-.Dt ISOBOOT 5
-.Os
-.Sh NAME
-.Nm isoboot
-.Nd Boot code for hybrid ISO/USB images on BIOS-based computers
-.Sh DESCRIPTION
-.Nm
-is used on BIOS-based computers to boot from an ISO image that has
-been written to a USB flash drive or other HDD-like device.
-.Nm
-is installed in a
-.Cm x86 Boot
-partition with
-.Xr installboot 1M .
-.Sh IMPLEMENTATION NOTES
-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.
-.Nm
-is intended to be placed in a MBR x86 boot partition to allow the system to find
-the standard
-.Fx
-.Xr loader 5
-in the ISO filesystem later in the image.
-.Sh BOOTING
-.Nm
-looks for an ISO filesystem image on the device it was booted from and
-seeks to read the primary illumos
-.Xr loader 5
-from there.
-.Sh SEE ALSO
-.Xr installboot 1M
-.Sh HISTORY
-.Nm
-appeared in FreeBSD 12.0.
-.Sh AUTHORS
-This manual page written by
-.An Benno Rice Aq benno@FreeBSD.org .