打印用户连接时间
print statistics about users' connect time
显示所有用户连接总时间
显示每天所有用户连接总时间
Print totals for each day rather than just one big total at the end. The output looks like this:
Jul 3 total 1.17
Jul 4 total 2.10
Jul 5 total 8.23
Jul 6 total 2.10
Jul 7 total 0.30
显示指定用户连接时间
ac -d silence #显示指定用户每天连接时间
显示每个用户连接时间
Print time totals for each user in addition to the usual everything-lumped-into-one value. It looks like:
bob 8.06
goff 0.60
maley 7.37
root 0.12
total 16.15