Man pages matching name gunzip in section 1:

gunzip.1.en	debian 10 / gzip
gunzip.1.de	debian 10 / manpages-de
gunzip.1.es	debian 10 / manpages-es-extra
gunzip.1.ja	debian 10 / manpages-ja
gunzip.1.pl	debian 10 / manpages-pl
gunzip.1.tr	debian 10 / manpages-tr
gunzip.1.zh_CN	debian 10 / manpages-zh
gunzip.1.zh_TW	debian 10 / manpages-zh
gunzip.1.en	debian 11 / gzip
gunzip.1.de	debian 11 / manpages-de
gunzip.1.es	debian 11 / manpages-es
gunzip.1.fr	debian 11 / manpages-fr
gunzip.1.ja	debian 11 / manpages-ja
gunzip.1.pl	debian 11 / manpages-pl
gunzip.1.tr	debian 11 / manpages-tr
gunzip.1.zh_CN	debian 11 / manpages-zh
gunzip.1.zh_TW	debian 11 / manpages-zh
gunzip.1.en	debian 12 / gzip
gunzip.1.de	debian 12 / manpages-de
gunzip.1.fi	debian 12 / manpages-fi
gunzip.1.fr	debian 12 / manpages-fr
gunzip.1.ja	debian 12 / manpages-ja
gunzip.1.pl	debian 12 / manpages-pl
gunzip.1.tr	debian 12 / manpages-tr
gunzip.1.uk	debian 12 / manpages-uk
gunzip.1.zh_CN	debian 12 / manpages-zh
gunzip.1.zh_TW	debian 12 / manpages-zh