<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Jul 29, 2009, at 7:39 PM, André Bellaïche wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><br>Le 30 juil. 09 à 02:09, Maxwell, Adam R a écrit :<br><br><blockquote type="cite">On 07/29/09 17:05, "David Watson" <<a href="mailto:dewatson@me.com">dewatson@me.com</a>> wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><blockquote type="cite">Perhaps someone opened "Get Info" for a certain folder, changed the<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">permissions for "everyone" and then clicked on the gear at the bottom of the<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">window, and then selected "Apply to enclosed items".<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Note that if you restore manually from a Time Machine backup, you also end<br></blockquote><blockquote type="cite">up with an ACL that prevents saving files, although you can open them. You<br></blockquote><blockquote type="cite">can't get rid of it from the Finder, either.<br></blockquote><br>What is an ACL ?<br></div></blockquote><div><br></div>Access Control List.</div><div>This provides "granularity" in deciding what permissions are allowed to files/folders, apart from POSIX permissions (don't ask).</div><div><br><blockquote type="cite"><div><blockquote type="cite"><br></blockquote><blockquote type="cite">It's odd that so many of those files/folders have world write<br></blockquote><blockquote type="cite">permission...that's a security problem.<br></blockquote><br>I know, but I wanted my wife and me having free access to all the math and related files, which lie in a third directory (nor hers, not mine).<br><font class="Apple-style-span" color="#006312"><br></font></div></blockquote><br></div><div>Depending upon the location and permissions of that containing folder, you may not have permissions to change permissions!</div><div><br></div><div>You should try using "pico" to edit the files in Terminal.</div><div>It's fairly easy to use.</div><div>Just use the "control" key along with "O" to write out the file.</div></body></html>