To install CPAN::Test::Dummy::SCO::Lacks, simply copy and paste either of the commands in to your terminal

cpanm

                    cpanm CPAN::Test::Dummy::SCO::Lacks

CPAN shell

                    perl -MCPAN -e shell
                    install CPAN::Test::Dummy::SCO::Lacks

For more information on module installation please visit the detailed CPAN module installation guide.