Prior to Release 4.5, MPE has used the creator name, an
unqualified user name, to track file ownership. The system
only recorded file creators (not the creators of accounts or
groups). As of Release 4.5, files and HFS directories can
be created outside the logon account if the user has the
appropriate access to do so. Therefore, unqualified user
names are no longer sufficient for indicating object
ownership.
As of Release 4.5, file ownership for all newly created
files or renamed files is indicated by a fully qualified
user name. The fully qualified user name is called the
file owner. The concept of the file owner
is similar to the file creator. Note however that the file
creator could never be changed for a file whereas the file
owner can be changed.
