reboot=b
This command change the way the kernel tries to reboot the machine. If a kernel hang is experienced while the system is shutting down, this command may cause the system to reboot successfully.
rescue
This command runs rescue mode. Refer to the Red Hat Linux Customization Guide for more information about rescue mode.
resolution=
Tells the installation program which video mode to run. It accepts any standard resolution, such as 640x480, 800x600, 1024x768, and so on.
serial
This command turns on serial console support.
skipddc
This command skips the ddc monitor probe, which causes problems on some systems.
text
This command disables the graphical installation program and forces the installation program to run in text mode.
updates
This command prompts you to insert a floppy diskette containing updates (bug fixes). It is not needed if you are performing a network installation and have already placed the updates image contents in RHupdates/ on the server.