>  > partition j, can I shrink partition h and extend partition j using the
>  > newly free'd space?
>  >
>  > I would assume it to work like this:
>  >
>  > resize_ffs h <smaller>
>  > disklabel <disk>
>  > ['add' new space to partition j]
>  > resize_ffs j <larger>
>  >
>  > Does this work (this way)?
>
> Yes, I think that is an intended feature.
>
> --
did i understand wrong?

partition j will be after h, so shrinking h will make space for j leftside