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copied!<p>The problem is very likely one of the minimal implementation in MSYS tools. You would also be restricted from making changes you cannot change with a Windows tool like attrib.exe.</p> <pre><code>$ >test $ ls -l test -rw-r--r-- 1 kbulgrie Administ 0 Aug 24 13:51 test $ chmod u-w test $ ls -l test -r--r--r-- 1 kbulgrie Administ 0 Aug 24 13:51 test $ chmod u+w test $ ls -l test -rw-r--r-- 1 kbulgrie Administ 0 Aug 24 13:51 test </code></pre> <p>As you can see, chmod works fine. Now, see what happens with attrib.exe, a Windows binary:</p> <pre><code>$ ls -l test -rw-r--r-- 1 kbulgrie Administ 0 Aug 24 13:51 test $ attrib +R test $ ls -l test -r--r--r-- 1 kbulgrie Administ 0 Aug 24 13:51 test $ attrib -R test $ ls -l test -rw-r--r-- 1 kbulgrie Administ 0 Aug 24 13:51 test </code></pre> <p>attrib, the Windows tool, is agnostic about the ugoa permissions and simplifies things down to having or not having rights:</p> <pre><code>$ attrib +R test $ attrib test R C:\msys\1.0\home\kbulgrien\test </code></pre> <p>I'm note sure its fair to expect an MSYS tool to do more than the Windows "equivalent". The M in MSYS means "Minimal".</p> <p>cacls.exe can do some things under MSYS. For instance, this says I and Administrators have full control even though <code>ls -l</code> appears to say Administrat doesn't have write. Be careful. If on Windows, perhaps use Windows methods. $ cacls test<br> C:\msys\1.0\home\kbulgrien\test BUILTIN\Administrators:F NT AUTHORITY\SYSTEM:F APD\kbulgrien:F BUILTIN\Users:R </p> <p>The following command is one I use in an MSYS environment to fix permissions on SQL database files after I restore from archive. You can run Windows binaries from MSYS. I do it all the time... for instance, scripts run diskpart, format, etc. in an MSYS shell without invoking cmd.exe.</p> <pre><code>$ cacls "Mantis*.*" //E //G "NETWORK SERVICE":F </code></pre>

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