• uptime
    • shows info about current run – current time, for how long machine runs, number of users, load average (as in top command)
  • last- shows log of reboots and reconnections
    • last | grep boot
      • shows only lines containing info about boots – you can see for every day all reboots – time of reboot + time of final shutdown for that day + runtime in hours
      • equivalent command:
        utmpdump /var/log/wtmp | grep 'boot\|shutdown'
  • lastlog
    • time of last login for all existing users