Man pages matching name shm_overview in section 7:

shm_overview.7.en	debian 10 / manpages
shm_overview.7.de	debian 10 / manpages-de
shm_overview.7.ja	debian 10 / manpages-ja
shm_overview.7.en	debian 11 / manpages
shm_overview.7.de	debian 11 / manpages-de
shm_overview.7.fr	debian 11 / manpages-fr
shm_overview.7.ja	debian 11 / manpages-ja
shm_overview.7.en	debian 12 / manpages
shm_overview.7.de	debian 12 / manpages-de
shm_overview.7.fr	debian 12 / manpages-fr
shm_overview.7.ja	debian 12 / manpages-ja
shm_overview.7.ru	debian 12 / manpages-ru