Ram Drive in Linux? How do you make one?

I want to reserve part of my ram for temp storage and assign a drive letter. How do I do it in Linux?

Run this through Babelfish to get an English equiv:
http://www.infoladen.de/pgp/ramdisk.htm

Seems that

mkdir /mnt/ramdisk
# create the ramdisk mount point

mke2fs /dev/ram0
# make the ramdisk?

mount /dev/ram0 /mnt/ramdisk
# mount it

Should work.

More info on mke2fs:
http://sman.informatik.htw-dresden.de:6711/man?=mke2fs&=8