see

View a file using mailcap entry

$ see filename

$ run-mailcap --action=view filename

see file

see is an alias to run-mailcap's view action. It opens files using the appropriate viewer based on MIME type as configured in the mailcap database.
Commonly used to view images, documents, and other file types with their default handlers.

Behavior depends on mailcap configuration. Some MIME types may not have configured viewers.

Part of mime-support package, providing convenient file viewing based on MIME types.

run-mailcap(1), xdg-open(1)