[root@server ~]# htpasswd Usage: htpasswd [-cimB25dpsDv] [-C cost] [-r rounds] passwordfile username htpasswd -b[cmB25dpsDv] [-C cost] [-r rounds] passwordfile username password htpasswd -n[imB25dps] [-C cost] [-r rounds] username htpasswd -nb[mB25dps] [-C cost] [-r rounds] username password -c Create a new file. -n Don't update file; display results on stdout. -b Use the password from the command