$ cpm [i|r|l|u|U|s|S|I|F|f|c|h] [pkg]...
-> i|install install one or more packages
-> r|remove  remove one or more packages
-> l|list    list installed packages
-> C|count   count installed packages
-> u|update  update package lists
-> U|upgrade upgrade all packages
-> s|search  search for a package
-> S|show    show information about a package
-> I|info    same as show
-> F|files   show file list of package
-> f|from    show package which owns a file
-> c|clean   clean up leftover files/caches/orphans
-> h|help    show this message