Man pages matching name pg_dumpall in section 1:

pg_dumpall.1.zh_CN	debian 10 / manpages-zh
pg_dumpall.1.zh_TW	debian 10 / manpages-zh
pg_dumpall.1.zh_CN	debian 11 / manpages-zh
pg_dumpall.1.zh_TW	debian 11 / manpages-zh
pg_dumpall.1.zh_CN	debian 12 / manpages-zh
pg_dumpall.1.zh_TW	debian 12 / manpages-zh