List possible $^O ($OSNAME) values, with description
https://anaconda.org/bioconda/perl-perl-osnames/badges/version.svg
https://anaconda.org/bioconda/perl-perl-osnames/badges/latest_release_date.svg
https://anaconda.org/bioconda/perl-perl-osnames/badges/latest_release_relative_date.svg
https://anaconda.org/bioconda/perl-perl-osnames/badges/platforms.svg
https://anaconda.org/bioconda/perl-perl-osnames/badges/license.svg
https://anaconda.org/bioconda/perl-perl-osnames/badges/downloads.svg