On Sun, 27 Jan 2002, Russ Allbery wrote: > Akim Demaille <[EMAIL PROTECTED]> writes: > > > Do you have references for this? This is typical information that > > must be double checked and included in autoconf.texi once certified. > > That's the way that cp -p pretty much always works, if the -p flag is > supported. See, for example, the GNU fileutils documentation:
not always (I'm pretty sure that very-old implementations of -p did not copy _all_ of the attributes, since I had work-arounds in some code for that). > Of course, when copying files on a UFS file system as a non-root user, > most current Unixes won't allow file giveaway and therefore at most the > group will be affected. However, one doesn't have to be root to be able > to chown files under some circumstances; for example, when copying files > in AFS, one can chown them to arbitrary users if one is a member of the > system:administrators PTS group. and some systems (Apollo Domain) had a weak sense of ownership, so it was possible to do this with local administrator's privileges. -- T.E.Dickey <[EMAIL PROTECTED]> http://invisible-island.net ftp://invisible-island.net
