XDG_CONFIG_DIRSalacarte looks in the menus subdirectory of these directories for menu files. The default location
for menu files is /etc/xdg/menus.
XDG_DATA_DIRSalacarte looks in the applications subdirectory of these directories for desktop files. The default
location for desktop files is /usr/share/applications.
XDG_CONFIG_HOME
The menus subdirectory of this directory is where alacarte stores modified menu files. The default
location for modified menu files is $HOME/.config/menus.
XDG_DATA_HOME
The applications subdirectory of this directory is where alacarte stores modified and newly created
desktop files. The default location for these is $HOME/.local/share/applications.
XDG_MENU_PREFIXalacarte is editing the menus defined by the file $XDG_MENU_PREFIXapplications.menu. GNOME uses the
menu file gnome-applications.menu.
GNOME ALACARTE(1)