How are programs executed in Ubuntu?

[Colin Law]

On 3 February 2016 at 12:28, Oliver Grawert <ogra at ubuntu.com> wrote:
> hi,
> Am Mittwoch, den 03.02.2016, 11:56 +1100 schrieb blind Pete:
>> C
>> I am very surprised.  The FHS (filesystem hierarchy standard) indicates
>> that /usr/local/ is the place to store host specific stuff.  It has
>> always been in my PATH.  Type "echo $PATH" without the quotes in a
>> terminal.  And /usr/local/share exists on my machine, although
>> /usr/local/share/applications/ does not.
>
> that sounds like a bug ... checking XDG_DATA_DIRS on my trusty system i
> see:
> ogra at anubis:~/datengrab/snappy$ env|grep XDG_DATA_DIRS
> XDG_DATA_DIRS=/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/
>
> so /usr/local/share is definitely in the searchpaths and apps using the
> xdg standard should actually respect /usr/local/share/applications/ if
> you created it and added a .desktop file ...
>
> see http://standards.freedesktop.org/menu-spec/menu-spec-latest.html

Hi Oliver, I am not sure what it is that are saying is a bug.  Do you
mean that if I place a .desktop file in /usr/local/share/applications
then it should automatically be seen by the Dash?

Colin