https://www.juniper.net/documentation/us/en/software/junos/user-access-evo/user-
access/topics/topic-map/junos-os-login-
class.html#:~:text=You%20can%20define%20any%20number,to%20an%20individual%20user%20acc
ount.
In Junos OS, each user account can be assigned only one login class. Login classes in Junos OS define
the permissions for users, controlling what they can access and modify within the system. This setup
helps in maintaining a clear and secure access control mechanism.
Reference:
Junos OS Documentation on User Accounts and Login Classes.