How do I check which users have sessions open using loginctl on redhat?

[blackrhino]

Also see:
systemd-logind.service(8), systemd-logind(8) - Login manager
What is the purpose of the systemd-logind daemon?

$ loginctl list-sessions
SESSION  UID USER     SEAT  TTY
      2 1000 training seat0 tty2
      4 1000 training
     c1   42 gdm      seat0 tty1

3 sessions listed.