$ w
 12:38:32 up 1 days,  2:09,  5 users,  load average: 0,00, 0,01, 0,05
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
rockyh :0       :0               01aug16 ?xdm?  11:47   0.13s init --user
rockyh pts/0    192.168.1.21     12:30    1.00s  0.06s  0.00s w

$ uptime
12:39:02 up 1 days,  2:09,  5 users,  load average: 0,00, 0,01, 0,05

$ who
rockyh :0           2016-08-01 10:30 (:0)
rockyh pts/0        2016-08-02 12:30 (192.168.1.21)