Last

last list logins on the system

• last
• last reboot
• last shutdown

last
root     pts/0        10.9.27.9      Mon Jan 24 11:27   still logged in
root     pts/0        12.58.27.17    Fri Jan 21 10:35 - 11:49  (01:14)

File: /var/log/wtmp

last
last -x or --system Display the system shutdown entries and run level changes.

macOS:

last --help
last: illegal option -- -
usage: last [-#] [-t tty] [-h hostname] [user ...]

last -t tty

Related commands

• netstat -nt | grep 22
• uptime
• Sep 23 18:24:57 SERVER systemd-logind[916]: New session 5 of user XXXX
• journalctl --list-boots
• history

See also

• /var/log/auth.log
• uptime, last, who, pts, tty, journalctl --list-boots, systeminfo , tuptime
• who, last, whoami
• acct: lastcomm
• last, journalctl --list-boots

http://man7.org/linux/man-pages/man1/last.1.html