Set imv as the default application for opening PNG and JPEG images

Query and manage MIME types according to the XDG standard.
More information: <https://portland.freedesktop.org/doc/xdg-mime.html>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

xdg-mime default {{imv.desktop}} {{image/png}} {{image/jpeg}}

click the source code to copy install xdg-mime on any operating system with command-not-found.com