Question on SHSH and blobs. New to jailbreaking.

shsh? blobs? they? should them up? new jailbreaking.
iphone 4s jailbroken new greenpois0n.
have pkgbackup program. has option shsh backup , talks blobs.
should select backup options?
benefit provide?
in event iphone gets upgraded 5.1 accidently? how use blobs or shsh phone 5.0.1?

sorry questions......very new jailbreaking.

thanks
len

 

http://wikijailbreak.com/jailbreak/...blobs-on-ios-5-0-1-with-tinyumbrella-5-10-04/

 

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