Para ambientes de área de trabalho que implementam as ferramentas freedesktop.org xdg-utils , você deve poder para usar xdg-open
:
Name
xdg-open — opens a file or URL in the user's preferred application Synopsis
xdg-open { file | URL }
xdg-open { --help | --manual | --version } Description
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.
Options
--help Show command synopsis.
--manual Show this manual page.
--version Show the xdg-utils version information.