[CentOS] copying user accounts...

Tue Jun 10 21:28:14 UTC 2014
John R Pierce <pierce at hogranch.com>

I want to copy a few user accounts to a new system...   is there a more 
elegant way to copy /etc/shadow passwords other than editing the file?   
for instance, is there some way I can give the password hash to 
/usr/bin/passwd ?

john r pierce                                      37N 122W
somewhere on the middle of the left coast