yo or yo -h or yo -hemanth produces the same results.
yo -h must give more specific help?
yo -hemanth' must report no such optionhemanthplease check-h -options` to list all the options.
yo -hemanth' must report no such option
Everything invalid will just show the help screen so the user can quickly see what commands it supports.
@sindresorhus Okies, an interesting paradigm :)