How to not show a user in the Ubuntu login screen?
30157
How do I hide a particular user from the login screen?
125941
Prevent users from starting multiple accounts?
87020
Disable root account in Ubuntu?
5102
Hiding non-user accounts in Windows 7
78478
How to hide computer name and user name in terminal command prompt
143868
How to restrict a user from accessing a particular application?
85575
How to prevent user registration
65696
prevent auto login on startup windows 7
29725
Allow users to hide connections between accounts
100831
Why not show password criteria on login screen?
19654
Turn off Automatic login with Windows 7
55282
Block a command from sudo user
143023
how to prevent standard users from seeing hidden files?
119958
Disable a user's login without disabling the account
67757
How do I disable "modern login items" (shared helper applications) which don't show up in system login items?
71814
Can we have a "log out on this computer only" button?
116267
Change user for automatic login