List the available backups

Creates incremental, compressed, encrypted and versioned backups.
Can also upload the backups to a variety of backend services.
More information: <http://duplicity.nongnu.org>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

duplicity collection-status "file://{{absolute/path/to/backup/directory}}"

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