-I   get information on ModuleName or DistributionName
    -R   fetch the README for the ModuleName distribution or DistributionName 
    -L   list modules in DistributionName
    -M   search for modules containing SearchTerm
    -D   search for distributions containing SearchTerm
    -A   search for CPAN authors containing SearchTerm
    -N   list distributions uploaded in last SearchTerm days