Man pages matching name unshar in section 1:

unshar.1.ja	debian 10 / manpages-ja
unshar.1.en	debian 10 / sharutils
unshar.1.ja	debian 11 / manpages-ja
unshar.1.en	debian 11 / sharutils
unshar.1.ja	debian 12 / manpages-ja
unshar.1.en	debian 12 / sharutils