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