类似于 windows 的快捷方式，Gnome 会查看
- /usr/share/applications
- ~/.local/share/applications
这两个目录下的 .desktop 文件。
例如
$ ls /usr/share/applications
simplenote.desktop
gedit.desktop
$ ls ~/.local/share/applications
wechat_dev_tools.desktop
chrome-blpcfgokakmgnkcojhhkbfbldkacnbeo-Default.desktop
simplenote.desktop 的内容
[Desktop Entry]
Name=Simplenote
Comment=Simplenote for Linux
Exec="/opt/Simplenote/simplenote" %U
Terminal=false
Type=Application
Icon=simplenote
StartupNotify=true
Categories=Utility;
wechat_dev_tools.desktop 的内容
[Desktop Entry]
Name=微信web开发者工具
Comment=The development tools for wechat web develop
Categories=Development;WebDevelopment;IDE;
Exec=/home/zhongwei/install/wechat_web_devtools/bin/wxdt %U
Icon=/home/zhongwei/install/wechat_web_devtools/dist/package.nw/static/image/logo@2x.png
Type=Application
Terminal=false
X-Desktop-File-Install-Version=0.23
chrome-aohghmighlieiainnegkcijnfilokake-Default.desktop 的内容
cat ~/.local/share/applications/chrome-aohghmighlieiainnegkcijnfilokake-Default.desktop
#!/usr/bin/env xdg-open
[Desktop Entry]
Version=1.0
Terminal=false
Type=Application
Name=Docs
Exec=/opt/google/chrome/google-chrome --profile-directory=Default --app-id=aohghmighlieiainnegkcijnfilokake
Icon=chrome-aohghmighlieiainnegkcijnfilokake-Default
NoDisplay=true
StartupWMClass=crx_aohghmighlieiainnegkcijnfilokake
命令行程序
从文档看，Terminal=true 支持从命令行执行。
参考
https://developer.gnome.org/integration-guide/stable/desktop-files.html.en
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