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PC-style permissions are determined by the rights assigned in a share’s ACL and are limited by the UNIX permissions assigned to a file. To write to a file when PC-style permissions are in effect, a user must meet the following criteria:

‡The user must have write permission for the file in the ACL.

‡The user must have write permission for the file according to the UNIX-style per- missions associated with the file.

If the user is the owner of the file, the filer uses the UNIX-style permissions set for the owner of the file. If the user is not the owner of the file, the filer uses the UNIX-style permissions set for the UNIX group associated with the file. Note that the UNIX "other" permissions are not used.

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Choose PC-style permissions if you need file access to be controlled by ACLs.

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UNIX-style permissions are determined by the rights associated with the UNIX UID and GID and are limited by the ACL permissions assigned to a file. To write to a file when UNIX-style permissions are in effect, a user must meet the following criteria:

‡If the user is the owner of the file, the write permission for the user’s UID must be set.

‡If the user is not the owner of the file, he or she must be a member of the group (GID) associated with the file and the write permission for the group’s GID must be set.

‡The user must have write permission for the file in the ACL.

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Choose UNIX-style permissions if you want to implement simple security and need access to be controlled using exact UNIX rules.

NOTE: If you choose UNIX-style permissions, set the share ACL permission to rwx for everyone. With this setting, the UNIX rights work just as they do on a UNIX system.