/sbin/lilo - install boot loader
lilo installs a boot loader that will be activated next time you boot. It has lots of options.
-A master-device [ N?
Inquire of active partition on device master-device; e.g., ''
Specify the boot device; i.e., where the boot loader will be installed.
Enable map compaction. This will merge read requests from adjacent sectors. Speeds up the booting (especially from floppy).
lilo reads its instructions about what files to map from the specified configuration file. This option overrides the use of the default config file, /etc/lilo.conf.
Specifies the delay time in tenths of a second (20 = 2 sec) before automatically booting the first image. Gives you time to interrupt the automatic boot process with Shift, Alt, Ctrl, !ScrollLock?, or !CapsLock?. If interrupted, the `boot:' prompt is displayed. This switch is overriden by the appearance of prompt in the config-file.
Use the kernel with the given label, instead of the first one in the list, as the default kernel to boot.
Specify disk geometry parameter file. (The default is /etc/disktab.)
Generate sector/head/cylinder (geometric) disk addresses. Limited to cylinders up to 1023. Forces compatibility with older versions of LILO.
Specify a file to be used as the new boot loader. (The default is /boot/boot.b.)
The label of the running kernel can be found in the environment variable BOOT_IMAGE after startup, or in the pseudo-file `/proc/cmdline'. This command will print path name of the corresponding kernel file, or of any initial ramdisk file (
Generate 24-bit linear sector addresses instead of sector/head/cylinder addresses.
Generate 32-bit Logical Block Addresses instead of C:H:S addresses, allowing access to all partitions on disks with more than 1024 cylinders.
Use specified map file instead of the default.
-M master-device [ mbr-file?
Install a Master Boot Record on the device specified as master-device. The new MBR is copied by default from master-device is undistrubed. If no device serial number is present, then generate one and write it to the MBR.
Require interactive entry of all passwords specified as in the configuration file.
Fix (or ignore) `corrupt' partition tables, i.e., partition tables with linear and sector/head/cylinder addresses that do not correspond.
List the currently mapped files. lilo maintains a file, by default /boot/map, containing the name and location of the kernel(s) to boot. This option will list the names therein. Use with -v for more detailed information about the installed boot loader.
Before doing anything else, do a chroot to the indicated directory. The new root directory must contain a /dev directory, and may need a /boot directory. It may also need an /etc/lilo.conf file.
Used by the mkbootdisk shell script for creating a bootable floppy.
-R command line
This option sets the default command for the boot loader the next time it executes. The boot loader will then erase this line: this is a once-only command. It is typically used in reboot scripts, just before calling `shutdown -r'. Used without any arguments, it will cancel a lock-ed or fallback command line.
When lilo overwrites the boot sector, it preserves the old contents in a file, by default /boot/boot.NNNN where NNNN depends on the device. This option specifies an alternate save file for the boot sector. (Or, together with the -u option, specifies from where to restore the boot sector.)
Normally, lilo will not overwrite an existing save file. This options says that overwriting is allowed.
Test only. Do not really write a new boot sector or map file. Use together with -v to find out what lilo is about to do.
Change-Rules EBDA - list Extended BIOS Data Area information geom=
Uninstall lilo by copying the saved boot sector back. The '-s' and '-C' switches may be used with this option. The device-name is optional. A time-stamp is checked.
Idem, but do not check the time-stamp.
Increase verbosity. Giving one to five -v options will make lilo more verbose, or use, -v n (n=1..5) to set verbosity level 'n'.
Print version number.
Suppress warning messages.
For RAID installations only. The option may be any of the keywords none, auto, mbr-only, or a comma separated list of additional boot devices (no spaces allowed in the list).
lilo -M /dev/hda
The options described here may be specified at on the command line when a kernel image is booted. These options are processed by LILO, and are removed from the command line passed to the kernel, unless otherwise noted.
Locks the command line, as though 'lock' had been specified in 'lilo.conf.'
Specifies the maximum memory in the system in bytes, kilobytes, or megabytes. This option is not removed from the command line, and is always passed to the kernel.
Suppresses collection of BIOS data. This option is reserved for use with non-IBM-compliant BIOS's which hang up with an
lilo is known to have problems with the reiserfs introduced with the 2.2.x kernels, unless the file system is mounted with the 'notail' option. This incompatibilty has been resolved with reiserfs 3.6.18 and lilo 21.6.
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