Hi All, My name is CAN Nguyen and I'm working on the Linux Data migration project: Here is the issue We want to change and WIN2K box Server which is the Files Servers and migrate all data to the Linux REDHAT 9.0. I installed already a Linux REDHAT box on which I install SAMBA3 and config. the SAMBA Server with the Level Security Users. But I cannot share the same directory with severals users groups.. But we want to use ACL like WINDOWS environment , for ex: The group HR and FINANCE can share the same Directory like XYZ Could you show me how to process Step by Step how to install and config ACL , please. Thanks a lot for your help. I must to finish this project within 1 week. Can Christian- Pourrais tu me souffler - merci