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  2. Kill switch - Wikipedia

    en.wikipedia.org/wiki/Kill_switch

    When the button is pushed, the elevator comes to an immediate stop. When the button is pulled back out, it resumes normal service, thus the reason for the use of the phrase "Run/Stop". Escalators will typically have a key-operated control that will turn the escalator off, or change its direction to up or down. Next to the key switch will be a ...

  3. Shutdown (computing) - Wikipedia

    en.wikipedia.org/wiki/Shutdown_(computing)

    Logs off a user. This is the default even without using any parameters. -a Stops shutdown.exe. It is used during a time-out period. -f Kills all running applications. -s Turns off the computer. -r: Shuts down and reboots a computer. -m[\\ Computer Name] When shutting down a network computer, allows user to choose which computer to turn off. -t xx

  4. Power key - Wikipedia

    en.wikipedia.org/wiki/Power_key

    On many notebook and desktop PCs sold today, the power button on front of the box can also be configured as a power on/power off button or a sleep/wake button, in addition to buttons that may be present separately on keyboards. Notebooks also include an invisible button in the screen lid, so that closing the screen on the keyboard will activate ...

  5. Power symbol - Wikipedia

    en.wikipedia.org/wiki/Power_symbol

    IEC 60417-5007, [6] the power-on symbol (line), appearing on a button or one end of a toggle switch indicates that the control places the equipment into a fully powered state. (1 or | means on.) IEC 60417-5008, [7] the power-off symbol (circle) on a button or toggle, indicates that using the control will disconnect power to the device. (0 or ...

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    help.aol.com

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  7. Dead man's switch - Wikipedia

    en.wikipedia.org/wiki/Dead_man's_switch

    Interest in dead man's controls increased with the introduction of electric trams (streetcars in North America) and especially electrified rapid transit trains. The first widespread use came with the introduction of the mass-produced Birney One-Man Safety (tram) Car, though dead-man equipment was fairly rare on US streetcars until the successful PCC streetcar, which had a left-foot-operated ...

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  9. Standby power - Wikipedia

    en.wikipedia.org/wiki/Standby_power

    A switchable power strip or power bar. Timers can be used to turn off standby power to devices that are unused on a regular schedule. Switches that turn the power off when the connected device goes into standby, [30] or that turn other outlets on or off when a device is turned on or off are also available. Switches can be activated by sensors.