Comment # 25 on bug 1061208 from Michael Andres

(In reply to Patrick Finie from comment #21)
> updatetestcase directory?  Seems the option is greyed out on most of the
> archive managers i use.

You mean some split-archive option?

There's a generic 'split' command. If you have some `big.tar.bz2`, then
>  split -b 10M --additional-suffix=-big.tar.bz2 big.tar.bz2
will split it into 10MB parts named
>  xaa-big.tar.bz2
>  xab-big.tar.bz2
>  xac-big.tar.bz2
>  ...

Later 'cat' can be used to restore the original file
> cat x??-big.tar.bz2 >big.tar.bz2