Man pages matching name mem in section 4:

mem.4.en	debian 10 / manpages
mem.4.de	debian 10 / manpages-de
mem.4.es	debian 10 / manpages-es
mem.4.it	debian 10 / manpages-it
mem.4.ja	debian 10 / manpages-ja
mem.4.pl	debian 10 / manpages-pl
mem.4.pt	debian 10 / manpages-pt
mem.4.en	debian 11 / manpages
mem.4.de	debian 11 / manpages-de
mem.4.es	debian 11 / manpages-es
mem.4.it	debian 11 / manpages-it
mem.4.ja	debian 11 / manpages-ja
mem.4.pl	debian 11 / manpages-pl
mem.4.pt	debian 11 / manpages-pt
mem.4.en	debian 12 / manpages
mem.4.cs	debian 12 / manpages-cs
mem.4.de	debian 12 / manpages-de
mem.4.es	debian 12 / manpages-es
mem.4.it	debian 12 / manpages-it
mem.4.ja	debian 12 / manpages-ja
mem.4.pl	debian 12 / manpages-pl
mem.4.pt_BR	debian 12 / manpages-pt-br
mem.4.ru	debian 12 / manpages-ru