User Creation In Sap | Administrator users Logon

Q-:1 why problem in 555 client there is no DDIC user we can able to
login only by SAP* and create the user but why  not able to Copy
End User Roles.

Ans-:Create a user with SAP_ALL profile then you can do from that user

  Note-: link to download ECC 6.0 IDES system.

You can download the software form http://service.sap.com/swdc -> Installations and Upgrades -> A - Z Index -> E -> SAP ERP -> SAP ERP 6.0 -> IDES Version

Query -:  1-In our company rdisp/tm_max_no =3D 200. suppose if the no of user reaches 200 SAP will not allow the other user to enter. In that case how to control the sap user through OS level other than (dpmon) command.
We are in SAP R3 4.7EE
Os: solaris9
Database: oracle 9.2

Ans-: Yes, You can Administer Users logged on to an SAP system using the command
Log on to system as SIDADM
dpmon pf=<Full Path Instance Profile>
then enter m for menu
then enter l for work process admin table long
Then you will see the list as SM50 and from here you can kill a user session or restart work process for the user or stop work process.