How to list "loginnable" users?
35718
Separate system users and service users
2406
Restricted logins with automatic full permission in databases
10167
How to hide users from the GDM login screen?
105614
Lost supplementary user groups for GUI login session
147415
How to enable or disable a user?
37385
How to know when and which user logged into the system under Mac OS X? Last is not enough!
2818
How can I create an infinite login loop for a specific user?
45985
How to see Login history?
155972
Displaying server information at login prompt (Ubuntu)
42053
How can I exclude disabled users from my user profile synchronization?
68980
Check if user is in a specified group
103548
How to enable fast user switching when Login Options are disabled?
158722
how to verify users are in group
30157
How do I hide a particular user from the login screen?
68314
How can I list all user names and/or home directories?
153070
INACTIVE_OWNER_OR_USER
80844
Mapping of multiple server logins to one database user