.SH NAME
9bootfat, 9bootiso, 9bootpxe \- PC bootloader for FAT, ISO and PXE network booting
.SH SYNOPSIS
-started by PC BIOS or chainloaded by partition bootsector
+Started by PC BIOS or chainloaded by partition bootsector
.SH DESCRIPTION
9boot is the bootloader used on PCs to start the Plan 9 kernel.
Its task is to read and parse the
.IR plan9.ini (8)
configuration file, gather some basic system information like
-the amount of usable system memory, do some low level system
+the amount of usable system memory, do some basic system
initialization and load the kernel from the boot media into memory.
After reading the configuration, the loader will automatically
file.
.BR
The word
-.B clear [
+.B clear
+[
.I prefix
]
can be used to remove parameters from the current configuration.
is specified, the first parameter that matches the prefix
is removed. If the
.IR prefix
-argument is omited, the whole configuration will be reset.
-.BR
+argument is omitted, the whole configuration will be reset.
+If the word
+.B wait
+appears in the configuration then
+.IR 9boot
+will return to the console prompt after processing the file.
+
The word
.B boot
will end the console and resume booting the kernel.
method.
.SH FAT BOOTING
When booting Plan 9 from a harddisk or USB pen drive, a
-FAT16/32 partition (
-.IR 9fat
-) is used to store the kernel and
+FAT16/32 partition
+.IR (9fat)
+is used to store the kernel and
.IR plan9.ini (8)
configuration. Due to size limitations, instead of loading
-the kernel directly, the bootsector (
-.IR pbs
-) of the FAT partition loads
+the kernel directly, the bootsector
+.IR (pbs)
+of the FAT partition loads
a 2nd stage bootloader
-.IR 9bootfat
+.IR (9bootfat)
from the root directory of the filesystem.
.SH CD-ROM BOOTING
-Booting from CD-ROM requires only
+Booting from CD-ROM requires only the
.IR 9bootiso
-to be included in the ISO-9660 image under
+bootloader to be included in the ISO-9660 image under
.B 386/9bootiso,
-set as a non emulation bootblock (see
+set as a non-emulation bootblock (see
.IR mk9660 (8)).
Boot parameters are read from
.B cfg/plan9.ini.
With a PXE capable BIOS and network card one can download
.IR 9bootpxe
and boot the kernel from a TFTP server (see
-.IR dhcpd (8),
+.IR dhcpd (8)
+and
.IR ndb (6)
for details). Once started,
.IR 9bootpxe
.IR plan9.ini (8)
file.
.SH FILES
-.TP
.B /386/pbs
-.TP
+.br
.B /386/9bootfat
-.TP
+.br
.B /386/9bootiso
-.TP
+.br
.B /386/9bootpxe
.SH SOURCE
-.BR /sys/src/boot/pc .
+.BR /sys/src/boot/pc
.SH "SEE ALSO"
.IR plan9.ini (8)