lilo vs grub

[Thomas Dodd]

Chris Ricker wrote:
> grub has that feature, it's just poorly documented and complicated to use
> 
> grub> savedefault --default=# --once
> 
> makes # the default for the next boot only

Ok Chris (or Jeremy).

I have linux, Win98(for my son's games), and memtest86 entried in 
grub.con and lilo.conf

With lilo, if I want to boot win98:
# lilo -R win98; reboot

To check memory:
# lilo -R memtest;shutdown

How do I do these with grub?