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authorru <ru@FreeBSD.org>2004-07-02 21:45:06 +0000
committerru <ru@FreeBSD.org>2004-07-02 21:45:06 +0000
commit46fddaa54b09baa407fa66a14d46c0cc3a906e60 (patch)
tree602e903272257a1c5b455a48800dcaa680741026 /sbin/reboot
parent20fbd172b22ab587e9d796f4cb8664a235cebe78 (diff)
downloadFreeBSD-src-46fddaa54b09baa407fa66a14d46c0cc3a906e60.zip
FreeBSD-src-46fddaa54b09baa407fa66a14d46c0cc3a906e60.tar.gz
Mechanically kill hard sentence breaks.
Diffstat (limited to 'sbin/reboot')
-rw-r--r--sbin/reboot/boot_i386.866
1 files changed, 44 insertions, 22 deletions
diff --git a/sbin/reboot/boot_i386.8 b/sbin/reboot/boot_i386.8
index b5f86f5..7b98df0 100644
--- a/sbin/reboot/boot_i386.8
+++ b/sbin/reboot/boot_i386.8
@@ -51,7 +51,8 @@ and unless this fails, the system will resume multi-user operations.
.Sy Cold starts .
Most i386 PCs attempt to boot first from floppy disk drive 0 (sometimes
known as drive A:) and, failing that, from hard disk drive 0 (sometimes
-known as drive C:, or as drive 0x80 to the BIOS). Some BIOSes allow
+known as drive C:, or as drive 0x80 to the BIOS).
+Some BIOSes allow
you to change this default sequence, and may also include a CD-ROM
drive as a boot device.
.Pp
@@ -77,10 +78,12 @@ or
.Sy /
is displayed) before
.Xr loader 8
-is invoked. Booting will also be attempted at stage two, if the
+is invoked.
+Booting will also be attempted at stage two, if the
third stage cannot be loaded.
.Pp
-The remainder of this subsection deals only with the boot blocks. The
+The remainder of this subsection deals only with the boot blocks.
+The
.Xr loader 8
program is documented separately.
.Pp
@@ -100,11 +103,13 @@ of either the floppy or the hard disk.
This boot may be aborted by typing any character on the keyboard
at the
.Ql boot:
-prompt. At this time, the following input will be accepted:
+prompt.
+At this time, the following input will be accepted:
.Bl -tag -width indent
.It Ic \&?
Give a short listing of the files in the root directory of the default
-boot device, as a hint about available boot files. (A
+boot device, as a hint about available boot files.
+(A
.Ic ?\&
may also be specified as the last segment of a path, in which case
the listing will be of the relevant subdirectory.)
@@ -122,7 +127,8 @@ Specify boot file and flags.
The drive number as recognized by the BIOS.
0 for the first drive, 1 for the second drive, etc.
.It Ar interface
-The type of controller to boot from. Note that the controller is required
+The type of controller to boot from.
+Note that the controller is required
to have BIOS support since the BIOS services are used to load the
boot file image.
.Pp
@@ -145,11 +151,13 @@ The unit number of the drive on the interface being used.
.It Oo Ar slice , Oc Ns Ar part
The partition letter inside the
.Bx
-portion of the disk. See
+portion of the disk.
+See
.Xr disklabel 8 .
By convention, only partition
.Ql a
-contains a bootable image. If sliced disks are used
+contains a bootable image.
+If sliced disks are used
.Pq Dq fdisk partitions ,
any
.Ar slice
@@ -167,7 +175,8 @@ slice (also known as
slice) is booted from.
.It Ar filename
The pathname of the file to boot (relative to the root directory
-on the specified partition). Defaults to
+on the specified partition).
+Defaults to
.Pa /kernel .
Symbolic links are not supported (hard links are).
.It Fl aCcDdghmnPprsv
@@ -181,23 +190,28 @@ ask for the device to mount as the root file system.
boot from CDROM.
.It Fl c
run UserConfig to modify hardware parameters for the loaded
-kernel. If the kernel was built with one of
+kernel.
+If the kernel was built with one of
.Dv USERCONFIG , INTRO_USERCONFIG , VISUAL_USERCONFIG
options,
remain in UserConfig regardless of any
.Ic quit
commands present in the script.
.It Fl D
-toggle single and dual console configurations. In the single
+toggle single and dual console configurations.
+In the single
configuration the console will be either the internal display
or the serial port, depending on the state of the
.Fl h
-option below. In the dual console configuration,
+option below.
+In the dual console configuration,
both the internal display and the serial port will become the console
at the same time, regardless of the state of the
.Fl h
-option. However, the dual console configuration takes effect only during
-the boot prompt. Once the kernel is loaded, the console specified
+option.
+However, the dual console configuration takes effect only during
+the boot prompt.
+Once the kernel is loaded, the console specified
by the
.Fl h
option becomes the only console.
@@ -209,12 +223,15 @@ as early as possible in kernel initialization.
.It Fl g
use the GDB remote debugging protocol.
.It Fl h
-toggle internal and serial consoles. You can use this to switch
-console devices. For instance, if you boot from the internal console,
+toggle internal and serial consoles.
+You can use this to switch
+console devices.
+For instance, if you boot from the internal console,
you can use the
.Fl h
option to force the kernel to use the serial port as its
-console device. Alternatively, if you boot from the serial port,
+console device.
+Alternatively, if you boot from the serial port,
you can use this option to force the kernel to use the internal display
as the console instead.
The serial port driver
@@ -223,7 +240,8 @@ has a flag to override this option.
If that flag is set, the serial port will always be used as the console,
regardless of the
.Fl h
-option described here. See the man page for
+option described here.
+See the man page for
.Xr sio 4
for more details.
.It Fl m
@@ -233,7 +251,8 @@ ignore key press to interrupt boot before
.Xr loader 8
is invoked.
.It Fl P
-probe the keyboard. If no keyboard is found, the
+probe the keyboard.
+If no keyboard is found, the
.Fl D
and
.Fl h
@@ -262,7 +281,8 @@ be verbose during device probing (and later).
You may put a BIOS drive number, a controller type, a unit number,
a partition, a kernel file name, and any valid option in
.Pa /boot.config
-to set defaults. Enter them in one line just as you type at the
+to set defaults.
+Enter them in one line just as you type at the
.Ql boot:
prompt.
.Sh FILES
@@ -325,7 +345,8 @@ On older machines, or otherwise where EDD support (disk packet
interface support) is not available, all boot-related files and
structures (including the kernel) that need to be accessed during the
boot phase must reside on the disk at or below cylinder 1023 (as the
-BIOS understands the geometry). When a
+BIOS understands the geometry).
+When a
.Dq Disk error 0x1
is reported by the second-stage bootstrap, it generally means that this
requirement has not been adhered to.
@@ -341,7 +362,8 @@ Due to space constraints, the keyboard probe initiated by the
.Fl P
option is simply a test that the BIOS has detected an
.Dq extended
-keyboard. If an
+keyboard.
+If an
.Dq XT/AT
keyboard (with no F11 and F12 keys, etc.) is attached, the probe will
fail.
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