In system variable:
add p4client = your workspace (Not needn't )
add p4port=perforce.wgti.net:1666
add p4user= awang
then
p4 info you will see all the new-added system variable is set to your windows environment variable
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p4 help will see help
p4 help command
转载于:https://www.cnblogs.com/kungfupanda/archive/2011/08/02/2024663.html