Unpkg does not touch you system at all except for the folder where the unpacking takes places. Because it does not move files around in your system (on purpose), you should not use unpkg to install, say, incremental OS X updates.
Unpkg does not touch you system at all except for the folder where the unpacking takes places. Because it does not move files around in your system (on purpose), you should not use unpkg to install, say, incremental OS X updates.