Command option Sample:powercfg /AVAILABLESLEEPSTATES

Search command sample in the internet.It is the result.

powercfg /AVAILABLESLEEPSTATES オプション

POWERCFG /AVAILABLESLEEPSTATES POWERCFG /BATTERYALARM low POWERCFG /BATTERYALARM critical /ACTIVATE on /LEVEL 6 /ACTION hibernate POWERCFG /DEVICEQUERY wake_armed POWERCFG /DEVICEENABLEWAKE "Microsoft USB IntelliMouse Explorer"
  : http://www.aez.jp/~hori/powercfg_help.txt
powercfg /availablesleepstates gives this report
    External LCD display won't fall into sleep (only blank) | Windows 8 Help Forums : http://www.eightforums.com/threads/external-lcd-display-wont-fall-into-sleep-only-blank.56724/
powercfg /availablesleepstates will tell you the flavors of sleep and standy your PC supports
    PowerCfg - The hidden energy and battery tool for Windows you're not using - Scott Hanselman : http://www.hanselman.com/blog/PowerCfgTheHiddenEnergyAndBatteryToolForWindowsYoureNotUsing.aspx

powercfg のオプション一覧