Linux .desktop files

sudo vim /usr/share/applications/sublime2.desktop

[Desktop Entry]
Name=Sublime Text 2
Name[de]=Sublime Text 2
Exec=/opt/sublime-text-2/sublime_text
Icon=/opt/sublime-text-2/Icon/256x256/sublime_text.png
Categories=Development;
Terminal=false
Type=Application

Other location:

/usr/local/share/applications