Determine who is logged in to a system.
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Use the who command to determine who is logged in
to a system.
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How to Determine Who Is Logged in to a System
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Shut down a server.
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Use the shutdown command with the appropriate options
to shut down a server.
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How to Shut Down a Server
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Shut down a stand-alone system.
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Use the init command and indicate the appropriate
run-level to shut down a stand-alone system.
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How to Shut Down a Stand-Alone System
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Turn off power to all devices.
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Powering down a system includes the following devices:
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How to Turn Off Power to All Devices
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