last
SafeShow login history
last -n 20
Login/logout/reboot history, newest first. lastb (root) shows failed logins — useful for intrusion checks.
Examples
last rebootReboot history only
Syntax
last [-n N] [user]
Before you run it
Read only.
Related commands
- whoShow logged-in users
- journalctlsystemd logs
The same reference, with no signal at all
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