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I Need to repeat the following shell command on a windows server 2012 that uses powershell. Found that start command was nearly the same but I need it to be powershell like. The command (it runs in linux environment):

nohup php -q {filename} 1 > logfile.out 2> errorfile.err < /dev/null & echo $!

Also please explain what means the part with /dev/null.Thanks.

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