> > > > > > Does not happen on TT and not on aranym (mv xy.prg y when xy.prg is > > > running). > > > > > Maybe 'mv' copies file and then delete it, instead of just renaming it? > > > > Try using the desktop. I get TOS error -36 if I try to rename a > running prog or acc. Does not happen with teradesk File->Info (renaming a running acc) on aranym, on host-fs. Which FS is it for yours? -Helmut