The command to remove your gnome folder is incomplete at best. It assumes your current directory is your home folder. They intended to show:
But then again my command was not without flaws either. It should have been:
As you can see both commands do the same, just one is for Gnome and the other for KDE. I don't have an opinion on deleting ~/.metacity. It can be gnome specific.
As far as I know it is not needed to use the -f
option. You can use it when you receive messages about files which cannot be deleted.