An fs that uses (multiple) tags for files, instead of a tree. They are stored on disk in random places either way and tooling uses mime/magic bits.
/etc/hosts would be something like system, network, hosts. Your uncles birthday photo something like uncle, max, birthday, 2022, burnt sushi instead of ~/photos/birthday-max/bdmax_101(5).jpg storing meta tags.
An fs that uses (multiple) tags for files, instead of a tree. They are stored on disk in random places either way and tooling uses mime/magic bits.
/etc/hostswould be something likesystem, network, hosts. Your uncles birthday photo something likeuncle, max, birthday, 2022, burnt sushiinstead of ~/photos/birthday-max/bdmax_101(5).jpg storing meta tags.