- acpi=off Default on for PCs >2001, may give boot/shutdown Probs
pfix=ram Run totally in RAM ignore saved sessions
pfix=nox commandline only, do not start x
pfix=copy coppy .sfs files to RAM (slower boot, faster running)
pfix=nocopy do not copy .sfs to RAM (faster boot, slower running
pfix=fsck do filesystem check on lupusave (and host partition)
pfix=clean file cleanup (simulate version upgrade)
pfix=purge more radical file cleanup (to fix broken systems)' {
pfix=<n> Number of save files to ignore
Edit: These options can be useful if you want to edit your bootloader like this grub 2 setup for puppy linux click here
Here is a good post about the different installs you can do with puppy.
click here and here
Edit 2: Also i just found this about the boot options that explains in more detail click here