ac

Print statistics on how long users have been connected. More information: https://www.gnu.org/software/acct/manual/accounting.html#ac.

• Print how long the current user has been connected in hours:

ac

• Print how long users have been connected in hours:

ac {{[-p|--individual-totals]}}

• Print how long a particular user has been connected in hours:

ac {{[-p|--individual-totals]}} {{username}}

• Print how long a particular user has been connected in hours per day (with total):

ac {{[-d|--daily-totals]}} {{[-p|--individual-totals]}} {{username}}

• Also display additional details:

ac --compatibility