If you are getting messages that say the command is not found, it is possible that you have not defined the path properly. To find the full path for the shutdown command issue the following command:
code
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#su (if you are not logged on as root)
# your password
# find / -name shutdown
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code
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Then, once you know the path:
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code
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# /[path]/shutdown -h now
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code
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After that, you will probably want to change your path parameter in /etc/profile. Look at
http://www.linuxquestions.org/questi...highlight=PATH