Man pages matching name file-hierarchy in section 7:

file-hierarchy.7.de	debian 10 / manpages-de
file-hierarchy.7.zh_CN	debian 10 / manpages-zh
file-hierarchy.7.zh_TW	debian 10 / manpages-zh
file-hierarchy.7.en	debian 10 / systemd
file-hierarchy.7.de	debian 11 / manpages-de
file-hierarchy.7.zh_CN	debian 11 / manpages-zh
file-hierarchy.7.zh_TW	debian 11 / manpages-zh
file-hierarchy.7.en	debian 11 / systemd
file-hierarchy.7.de	debian 12 / manpages-de
file-hierarchy.7.zh_CN	debian 12 / manpages-zh
file-hierarchy.7.zh_TW	debian 12 / manpages-zh
file-hierarchy.7.en	debian 12 / systemd