# last
# View the last logged in users.
# More information: <https://manned.org/last>.
# View last logins, their duration and other information as read from `/var/log/wtmp`:
last
# Specify how many of the last logins to show:
last -n login_count
# Print the full date and time for entries and then display the hostname column last to prevent truncation:
last -F -a
# View all logins by a specific user and show the IP address instead of the hostname:
last username -i
# View all recorded reboots (i.e., the last logins of the pseudo user "reboot"):
last reboot
# View all recorded shutdowns (i.e., the last logins of the pseudo user "shutdown"):
last shutdown
$
cheat.sh
tldr