Permissions for folders shared accross the network

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From: BigTreePU (bigtreepu_at_hotmail.com)
Date: 03/15/04 

Date: Mon, 15 Mar 2004 10:46:08 -0800

I am running Windows XP pro on about 7 computers, and I want to set folder permissions on these computers accross the LAN. I would like to set individual folders for each user. When I try to select permissions on the Share tab after right clicking the folder, and selecting properties, I'm able to add the user, but only locally. I was wondering how I could make it so that the user could log in from any computer, and view the proper directories based on their permission. Any help is greatly appreciated.
Thanks~Matt
p.s. if you could email me, it would be greatly appreciated