Pasta

 

/usr/share/applications/

 

Crie um arquivo com extensao .desktop

 

Exemplo

 

[Desktop Entry]
Encoding=UTF-8
Name=JDownloader
Comment=JDownloader      
Exec=/home/junior/.jd/jdownloader.sh
Icon=/home/junior/.jd/jd/img/logo/jd_logo_128_128.png
Terminal=false
Type=Application
Categories=GNOME;Application;Internet;
StartupNotify=true