8142972d87
effect is to move away from DocBook SGML and DJ Delorie's doctool and toward pure DocBook XSL. (There remains just one use of doctool, and we have plans for replacing it, too.) See ChangeLog for details.
38 lines
1.5 KiB
XML
38 lines
1.5 KiB
XML
<?xml version="1.0" encoding='UTF-8'?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
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<sect1 id="using-filemodes"><title>File permissions</title>
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<para>On FAT or FAT32 filesystems, files are always readable, and Cygwin
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uses the DOS read-only attribute to determine if they are writable. Files are
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considered to be executable if the filename ends with .bat, .com or .exe, or
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if its content starts with #!. Consequently <command>chmod</command> can
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only affect the "w" mode, it silently ignores actions involving the other
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modes. This means that <command>ls -l</command>
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needs to open and read files. It can thus be relatively slow.</para>
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<para>On NTFS, file permissions are evaluated using the Access Control
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Lists (ACLs) attached to a file. This can be switched off by using the
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"noacl" option to the respective mount point in the
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<filename>/etc/fstab</filename> or <filename>/etc/fstab.d/$USER</filename>
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file. For more information on file permissions, see
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<!-- TODO: Put the file permission stuff from ntsec here??? -->
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<xref linkend="ntsec"></xref>.
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</para>
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<!-- TODO -->
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<para>On NFS shares, file permissions are exactly the POSIX permissions
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transmitted from the server using the NFSv3 protocol, if the NFS client
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is the one from Microsoft's "Services For Unix", or the one built into
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Windows Vista or later.
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</para>
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<para>Only the user and group ownership is not necessarily correct.</para>
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</sect1>
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