Here, `vserver_name` is the name of the Vserver, `role_name` is the name of the role to be created, `API_or_COMMAND` is the directory name of the command or API to which access is granted, and `readon...Here, `vserver_name` is the name of the Vserver, `role_name` is the name of the role to be created, `API_or_COMMAND` is the directory name of the command or API to which access is granted, and `readonly` signifies read-only access. Here, `vserver_name` is the name of the Vserver, `user_name` is the name of the user, and `role_name` is the name of the role to be assigned.