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Virtual filesystem in Unix-like operating systems
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improve enumeration of inode metadata
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rbuj authored and raveit65 committed Sep 27, 2018
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<sect2 id="caja-directories-file-systems" status="complete">
<title>Directories and File Systems</title>
<para>Linux and Unix file systems are organized in a hierarchical, tree-like structure. The highest level of the file system is the <filename>/</filename> or <emphasis>root directory</emphasis>. In the Unix and Linux design philosophy, everything is considered a file - including hard disks, partitions and removable media. This means that all files and directories (including other disks and partitions) exist under the root directory.
<para>In Linux and other Unix-like operating systems, the filesystem is organised in a hierarchical, tree-like structure. The highest level of the filesystem is the <filename>/</filename> or <emphasis>root directory</emphasis>. These operating systems create a virtual file system, in which a filesystem object, such as a file or a directory, is represented by an inode. Each inode stores information about its parent and children, as well as its own attributes, among others, the owner, the permissions, the last change, access or modification of the filesystem object.
</para>
<para>For example, <filename>/home/jebediah/cheeses.odt</filename> shows the correct full path to the <filename>cheeses.odt</filename> file that exists in the <filename>jebediah</filename> directory which is under the <filename>home</filename> directory, which in turn, is under the root (<filename>/</filename>) directory.
</para>
<para>Underneath the root (<filename>/</filename>) directory, there is a set of important system directories that are commonly used across most Linux distributions. The following is a listing of common directories that are directly under the root (<filename>/</filename>) directory:
<para>Underneath the root (<filename>/</filename>) directory, there is a set of important directories, or symbolic links to directories:
</para>
<itemizedlist>
<listitem>
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</para>
</listitem>
</itemizedlist>
<note><para>More detailed information on the UNIX-like filesystem hierarchy is available at Filesystem Hierarchy Standard 3.0 <ulink url="http://refspecs.linuxfoundation.org/fhs.shtml">http://refspecs.linuxfoundation.org/fhs.shtml</ulink>.</para></note>
</sect2>

<sect2 id="goscaja-7">
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