if i update my ipod (3.1.2-4.2) will the jailbreak/apps still be there?

Kubar 123

New member
i have an 2nd gen non mc model with 3.1.2
i would like to update to 4.2 (or newset one)
i have 13 pages of apps and i dont want to loose all my saved games etc so i would like to ask if i update will i keep the games etc...

i know with ssh i can acess my files etc... what if id copy all my games onto the computer and update than jailbreak install ssh etc and put the games back on, qill they work? or are they with different programming and will not work?.
anyway to sortof backup my full ipod with the themes and programs installed and than update??
pls help
 
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