Add user to ACL

Hi I have a linux based file server that hosts all our companies development data, source code etc. The main folder has, as you would expect, an owner and group access. I need to allow a single user write access to a couple of files within the folder structure but not allow any write access to anywhere else. currently the ACL looks like this: drwxrwxrwx domain\owner domain\group 4096 date foldername is it possible to add a user to the ACL so it reads: drwxrwxrwx domain\owner domain\group domain\user 4096 date foldername? Or am I going to have to add the user to the current group? regards Drac

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