server:~ # useradd
useradd: Too few arguments.
Try `useradd --help' or `useradd --usage' for more information.
server:~ # useradd --usage
Usage: useradd ...
server:~ #
server:~ # useradd
useradd: Too few arguments.
Try `useradd --help' or `useradd --usage' for more information.
server:~ # useradd --usage
Usage: useradd ...
server:~ #