ac
Print statistics on how long users have been connected. tldr-pages
On Linux
Several platforms
Print how long the current user has been connected in hours
acIdentifyPrint how long users have been connected in hours
ac -pIdentifyPrint how long a particular user has been connected in hours
ac -p usernameIdentifyPrint how long a particular user has been connected in hours per day (with total)
ac -dp usernameIdentifyLinux
Print how long the current user has been connected in hours
acIdentifyPrint how long users have been connected in hours
ac --individual-totalsIdentifyPrint how long a particular user has been connected in hours
ac --individual-totals usernameIdentifyPrint how long a particular user has been connected in hours per day (with total)
ac --daily-totals --individual-totals usernameIdentifyAlso display additional details
ac --compatibilityIdentify