xdg-open opens a file or URL in the user's preferred application. If a
URL is provided the URL will be opened in the user's preferred web
browser. If a file is provided the file will be opened in the preferred
application for files of that type. xdg-open supports file, ftp, http
and https URLs.
xdg-open is for use inside a desktop session only. It is not
recommended to use xdg-open as root.
尝试使用 XDG 打开,它应该使用默认应用程序打开文件:
从xdg-open 手册页: