ubuntu下将appimage程序添加到桌面，下面以fritzing0.9.9版本为例，该版本没有提供deb或其它安装方式，如需添加到桌面，可按下列方式进行：
新建一个文件fritz.desktop
sudo nano ~/.local/share/applications/fritz.desktop
输入以下内容
[Desktop Entry]
Encoding=UTF-8
Name=fritz
Exec=/home/peter/下载/fritzing-0.9.9-l348-f0af53a9.appimage
Icon=/home/peter/下载/Empty.ico
Terminal=false
Type=Application
Categories=Internet;
原firtzing0.9.6的设置
~/.local/share/applications$ cat org.fritzing.Fritzing.desktop
[Desktop Entry]
Name=Fritzing
GenericName=Electronic Design Automation software
GenericName[fi]=Elektroniikan suunnitteluohjelma
GenericName[ru]=Программа проектирования электроники
Comment=Create circuits and lay out printed circuit boards
Comment[fi]=Suunnittele elektronisia kytkentöjä ja piirilevyjä
Comment[ru]=Создавайте схемы и выкладывайте печатные платы
Exec=Fritzing %F
Icon=/home/peter/.local/share/icons/hicolor/128x128/apps/fritzing.png
Terminal=false
Type=Application
Categories=Development;IDE;Electronics;
Keywords=EDA;PCB;prototype;circuit;schematic;
StartupNotify=true
MimeType=application/x-fritzing-fz;application/x-fritzing-fzz;application/x-fritzing-fzp;application/x-fritzing-fzpz;application/x-fritzing-fzb;application/x-fritzing-fzbz;application/x-fritzing-fzm;