[him121213]

make sure ssh is turned off

[Enkidu]

Those processes use very little system memory, don't mess with them! If you're looking for stuff, that occupies memory, check out how much stuff you have installed, that is loaded into Springboard, using Mobile Substrate (Quickgold, SBSettings, Stack, Winterboard, Dock, Backgrounder, Notifier, Icon reflection or other mods etc...). Those probably are your witches, leave those system processes alone!