<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Ray,<DIV><SPAN class="Apple-style-span">This is essentially correct. A backup <I>could</I> include invisible files, but often backups are restricted to document files. A clone is designed to produce the exact contents of your drive so that you could simply boot from your cloned drive and continue your work. </SPAN></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-style-span">For example, a tape drive could have a complete backup, but you couldn't have a bootable drive (at least not if you wanted it to boot this decade). The backup would have to be restored to a working drive, whereas a clone would already be on a potentially bootable drive. </SPAN></DIV><DIV>Arne</DIV><DIV><SPAN class="Apple-style-span"><BR><DIV><DIV>On May 22, 2007, at 10:16 PM, Ray Bowler wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I was asked after the meeting tonight what the difference was between back up and a clone. I may not have answered well but my understanding is that if you just back up you will get only the visible files and you will not be able to make the drive bootable. A clone uses root authority to copy the invisible as well as the visible files. This drive can be "blessed" so that it can be used as a boot drive. Several programs (superDuper, Disk Utility, Carbon Copy Cloner) can make the drive<SPAN class="Apple-converted-space"> </SPAN>bootable after the clone is one.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Does anyone with more expertize wish to elaborate on this?</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">--<SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Ray Bowler</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">rbowler.home.mchsi.com</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">DMMUG mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Use this Address to send mail to the list:</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:DMMUG@dmmug.org">DMMUG@dmmug.org</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Use this page to modify subscription options:</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://cialug.org/mailman/listinfo/dmmug">http://cialug.org/mailman/listinfo/dmmug</A></DIV> </BLOCKQUOTE></DIV><BR></SPAN></DIV></BODY></HTML>