Hiding username from MacOS login screen
A simple switch with the Directory Service command line utility hides the account with short name ACCOUNTNAME from the login screen (Ref).
sudo dscl . create /Users/ACCOUNTNAME IsHidden 1
A simple switch with the Directory Service command line utility hides the account with short name ACCOUNTNAME from the login screen (Ref).
sudo dscl . create /Users/ACCOUNTNAME IsHidden 1