The IBM Session Manager Shared User facility enables multiple users to login with the same userid (for details, see the Installation and Customization manual).
For each user a unique, or fully qualified, identifier is created internally by appending a 'user qualifier' to the userid. Depending on the value of parameter MULTUSER on the SYSTEM statement, either the 'user qualifier' is created from the last four characters of the terminal LU name, or it is an eight-digit number in the range 1-99999999.
If a user logs in to IBM Session Manager through the IBM Session Manager Operations Plug