Enable Mode Commands : Displaying System Data : show rbm users
  
show rbm users
Displays role-based management (RBM) user configuration for all users.
Syntax
show rbm users
Parameters
None
Example
amnesiac (config) # show rbm users
Product
SteelHead CX, SteelHead EX, SteelHead-v, SteelHead-c, SCC
Related Commands
AAA, Role-Based Management, Radius, and TACACS+ Commands