[ssk_the_gr8]

i am new to linux irecently got this linux cd from a friend
during install it asks about partation
should i use the windows partation or create a new one?
which is better?i dont want to format my disc when i have to unistall linux
as my friend had to

how can i uninstall linux from my system ?
ive heard of some fdisk command
what is it?
will i be able to reclaim the new partation if i have un installed linux 8.2
my old pc has
192 mb ram(133 mhz)
400 mhz celeron
20 gb harddisk(3 gb free only)


is it good enough to run linux 8.2(mandrake)
and could u'll recommend some good programs i can download for linux such as office antivirus etc

need help
thankx in advance