make it a note
This appendix provides the reference to the Gramps user directory available on various operating systems.
The location of your Gramps user directory depends on the operating system you are using and how you have set up your computer. In the table below <tt><~username></tt> should be replaced by the name you use to log in to your computer.
The default location for an installation of Gramps in a [http://en.wikipedia.org/wiki/Posix POSIX]-style [http://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard environment] is: