How customized can an mfsroot be?

[Peter Steele]

>You might be able to reduce the iso size some by making a tarball of /var (using tar -y or tar -z) instead of keeping /var2 as a tree.
>Granted you would then need to have tar(1) in the iso, which may cancel out much of the savings if you would not otherwise have needed it.

Actually, /var is tiny compared to everything else we have in the image so converting it to a tarball wouldn't really have any impact...