smbpasswd : change a user's SMB password
[SYNOPSIS] smbpasswd OPTION USER
OPTION
-L Local mode (specify first)
-h print this usage message
-s use stdin for password prompt
-c FILE Use the given path to the smb.conf file
-r MACHINE remote machine
-U USER remote username (e.g. SAM/user)
-a add user
-d disable user
-e enable user
-i interdomain trust account
-m machine trust account
-n set no password
-W use stdin ldap admin password
-w PASSWORD ldap admin password
-x delete user