lusrmgr.exe is a bridge between the administrator and the raw SAM database. Its "deep features" lie not in flashy UI, but in its ability to expose and manipulate:
The "Groups" folder in lusrmgr.exe defines the . This is critical to how Windows Access Tokens work.
The core function of lusrmgr.exe is to act as a GUI front-end for the , which is stored in the registry hive HKEY_LOCAL_MACHINE\SAM .
