Samba PDC does not work

[Martin Carlsson]

Vidol Loeung skrev:

>Dear All:
>
>Has anyone been able to make Samba PDC work on RHEL4? It seems to have
>problem. It wouldn't add the machine trust account with the 'add user
>script' directive.
>
>And when I tried the command:
># useradd -M 'testpc$'
>
>It said "Invalid user name".
>
>Any ideas would be much appreciated.
>
>Regards,
>Vidol
>
>  
>
Maybe if you just type: useradd -M testpc

What is the ' and the $ for?