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Allow each NSH command to be disabled
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1234 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
@@ -1590,6 +1590,13 @@ nsh>
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Configuration settings specific to NSH as discussed at the <a href="#nshconfiguration">bottom</a> of this document.
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</p>
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<p>
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Note that in addition to general NuttX configuation settings, each NSH command can be
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individually disabled via the settings in the rightmost column.
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All of these settings make the configuration of NSH potentially complex but also allow it to
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squeeze into very small memory footprints.
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</p>
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<table width ="100%">
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<tr bgcolor="#e4e4e4">
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<td>
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@@ -1603,134 +1610,175 @@ nsh>
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<tr bgcolor="#e4e4e4">
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<th align="left" width="25%">Command</th>
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<th align="left">Depends on Configuration</th>
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<th align="left">Can Be Disabled with</th>
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</tr>
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<tr>
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<td><b><code>[</code></b></td>
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<td>!<code>CONFIG_EXAMPLES_NSH_DISABLESCRIPT</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_TEST</code></td>
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</tr>
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<tr>
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<td><b><code>cat</code></b></td>
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<td><code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_CAT</code></td>
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</tr>
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<tr>
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<td><b><code>cd</code></b></td>
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<td>!<code>CONFIG_DISABLE_ENVIRON</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_CD</code></td>
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</tr>
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<tr>
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<td><b><code>cp</code></b></td>
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<td><code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_CP</code></td>
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</tr>
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<tr>
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<td><b><code>echo</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_ECHO</code></td>
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</tr>
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<tr>
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<td><b><code>exec</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_EXEC</code></td>
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</tr>
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<tr>
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<td><b><code>exit</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_EXIT</code></td>
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</tr>
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<tr>
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<td><b><code>get</code></b></td>
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<td><code>CONFIG_NET</code> && <code>CONFIG_NET_UDP</code> &&
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<code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_NET_BUFSIZE</code> >= 558<sup>1</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_GET</code></td>
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</tr>
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<tr>
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<td><b><code>help</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_HELP</code></td>
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</tr>
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<tr>
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<td><b><code>ifconfig</code></b></td>
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<td><code>CONFIG_NET</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG</code></td>
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</tr>
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<tr>
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<td><b><code>ls</code></b></td>
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<td><code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_LS</code></td>
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</tr>
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<tr>
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<td><b><code>mb,mh,mw</code></b></td>
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<td><br></td>
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<td>
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<code>CONFIG_EXAMPLES_NSH_DISABLE_MB</code>,<br>
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<code>CONFIG_EXAMPLES_NSH_DISABLE_MH</code>,<br>
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<code>CONFIG_EXAMPLES_NSH_DISABLE_MW</code>
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</td>
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</tr>
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<tr>
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<td><b><code>mem</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_MEM</code></td>
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</tr>
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<tr>
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<td><b><code>mkdir</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_WRITABLE</code><sup>4</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_MKDIR</code></td>
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</tr>
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<tr>
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<td><b><code>mkfatfs</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_FAT</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_MKFATFS</code></td>
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</tr>
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<tr>
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<td><b><code>mkfifo</code></b></td>
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<td><code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO</code></td>
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</tr>
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<tr>
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<td><b><code>mkrd</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_WRITABLE</code><sup>4</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_MKRD</code></td>
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</tr>
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<tr>
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<td><b><code>mount</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_READABLE</code><sup>3</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_MOUNT</code></td>
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</tr>
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<tr>
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<td><b><code>ping</code></b></td>
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<td><code>CONFIG_NET</code> && <code>CONFIG_NET_ICMP</code> &&
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<code>CONFIG_NET_ICMP_PING</code> && !<code>CONFIG_DISABLE_CLOCK</code> &&
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!<code>CONFIG_DISABLE_SIGNALS</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_PING</code></td>
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</tr>
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<tr>
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<td><b><code>ps</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_PS</code></td>
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</tr>
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<tr>
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<td><b><code>put</code></b></td>
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<td><code>CONFIG_NET</code> && <code>CONFIG_NET_UDP</code> &&
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<code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_NET_BUFSIZE</code> >= 558<sup>1,2</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_PUT</code></td>
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</tr>
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<tr>
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<td><b><code>pwd</code></b></td>
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<td>!<code>CONFIG_DISABLE_ENVIRON</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_PWD</code></td>
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</tr>
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<tr>
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<td><b><code>rm</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_WRITABLE</code><sup>4</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_RM</code></td>
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</tr>
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<tr>
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<td><b><code>rmdir</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_WRITABLE</code><sup>4</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_RMDIR</code></td>
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</tr>
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<tr>
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<td><b><code>set</code></b></td>
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<td>!<code>CONFIG_DISABLE_ENVIRON</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_SET</code></td>
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</tr>
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<tr>
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<td><b><code>sh</code></b></td>
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<td><code>CONFIG_NFILE_DESCRIPTORS > 0 && <code>CONFIG_NFILE_STREAMS > 0 && !<code>CONFIG_EXAMPLES_NSH_DISABLESCRIPT</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_SH</code></td>
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</tr>
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<tr>
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<td><b><code>sleep</code></b></td>
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<td>!<code>CONFIG_DISABLE_SIGNALS</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_SLEEP</code></td>
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</tr>
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<tr>
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<td><b><code>test</code></b></td>
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<td>!<code>CONFIG_EXAMPLES_NSH_DISABLESCRIPT</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_TEST</code></td>
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</tr>
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<tr>
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<td><b><code>umount</code></b></td>
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<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_READABLE</code><sup>3</sup></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_UMOUNT</code></td>
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</tr>
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<tr>
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<td><b><code>unset</code></b></td>
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<td>!<code>CONFIG_DISABLE_ENVIRON</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_UNSET</code></td>
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</tr>
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<tr>
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<td><b><code>usleep</code></b></td>
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<td>!<code>CONFIG_DISABLE_SIGNALS</code></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_USLEEP</code></td>
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</tr>
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<tr>
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<td><b><code>xd</code></b></td>
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<td><br></td>
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<td><code>CONFIG_EXAMPLES_NSH_DISABLE_XD</code></td>
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</tr>
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</table></center>
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@@ -8,7 +8,7 @@
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<tr align="center" bgcolor="#e4e4e4">
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<td>
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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
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<p>Last Updated: November 13, 2008</p>
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<p>Last Updated: November 15, 2008</p>
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</td>
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</tr>
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</table>
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@@ -1190,6 +1190,9 @@ nuttx-0.3.18 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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This is the size of stack used with the user_start() thread is created. The two stacks
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no longer have to be the same.
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* Add a loop device that converts a file into a block device.
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* Each NSH command can not be disabled through a configuration setting. All of these
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settings make the configuration of NSH potentially complex but also allow it to squeeze
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into very small memory footprints.
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pascal-0.1.3 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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@@ -16,7 +16,7 @@
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</b></big></h1>
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<p><small>by</small></p>
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<p>Gregory Nutt</p>
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<p><small>Last Update: November 5, 2008</small></p>
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<p><small>Last Update: November 14, 2008</small></p>
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</center>
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<center><h1>Table of Contents</h1></center>
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