Special Attributes on file - use "+" to set permissions and "-" to remove:<br><table border=1 cellpadding=1 cellspacing=0 class=tablesorter id=outtableSPECIALATTRIBUTES>
<thead><tr>
<th>Category</th>
<th>Command</th>
<th>Description</th>
</tr></thead><tbody>
<tr>
<td valign=top>chattr +a file1 	</td>
<td valign=top>allows write opening of a file only append mode</td>
</tr>
<tr>
<td valign=top>chattr +c file1 	</td>
<td valign=top>allows that a file is compressed / decompressed automatically by the kernel</td>
</tr>
<tr>
<td valign=top>chattr +d file1 	</td>
<td valign=top>makes sure that the program ignores Dump the files during backup</td>
</tr>
<tr>
<td valign=top>chattr +i file1 	</td>
<td valign=top>makes it an immutable file, which can not be removed, altered, renamed or linked</td>
</tr>
<tr>
<td valign=top>chattr +s file1 	</td>
<td valign=top>allows a file to be deleted safely</td>
</tr>
<tr>
<td valign=top>chattr +S  file1 	</td>
<td valign=top>makes sure that if a file is modified changes are written in synchronous mode as with sync</td>
</tr>
<tr>
<td valign=top>chattr +u file1 	</td>
<td valign=top>allows you to recover the contents of a file even if it is canceled</td>
</tr>
<tr>
<td valign=top>lsattr 	</td>
<td valign=top>show specials attributes</td>
</tr>
</tbody></table>
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