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                        <div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/advanced/dfs_cmd_ref_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">DFS</span> 命令行工具参考指南</h1><div class="date inPage">23 Dec 2024</div><div style="color: gray;">
                    Read time: 1 minute(s)
                </div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d173868e27__20250121171622">在 RT-Thread 操作系统中，DFS (Device File System) 提供了一组基本的文件操作命令。以下是 ArtInChip SDK 编译过程中常见的 DFS
            终端命令及其说明。</p><section class="- topic/section section" id="dfs_cmd_ref_guide__section_yqq_hhh_tdc" data-ofbid="dfs_cmd_ref_guide__section_yqq_hhh_tdc"><h2 class="- topic/title title sectiontitle">cd</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e34__20250121171622">改变当前工作目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_k5f_3hh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_k5f_3hh_tdc">cd <var class="+ topic/keyword sw-d/varname keyword varname">filepath</var></pre></div>
            <div class="- topic/p p" data-ofbid="d173868e41__20250121171622">示例：进入 <span class="+ topic/ph sw-d/filepath ph filepath">data</span>
                目录<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_tc3_jhh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_tc3_jhh_tdc">cd data</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_qkx_fhh_tdc" data-ofbid="dfs_cmd_ref_guide__section_qkx_fhh_tdc"><h2 class="- topic/title title sectiontitle">ls</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e54__20250121171622">列出目录中的文件和子目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_o34_ghh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_o34_ghh_tdc">ls</pre></div>
            <div class="- topic/p p" data-ofbid="d173868e59__20250121171622">比如，列出 <span class="+ topic/ph sw-d/filepath ph filepath">data</span>
                目录中的文件和子目录，输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_wyx_nhh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_wyx_nhh_tdc">Directory /data:
fb0.argb            <span class="hl-number">1536000</span>
</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_zkg_xz2_tdc" data-ofbid="dfs_cmd_ref_guide__section_zkg_xz2_tdc"><h2 class="- topic/title title sectiontitle">cp</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e72__20250121171622">复制文件或目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_cxv_c1f_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_cxv_c1f_tdc">cp <var class="+ topic/keyword sw-d/varname keyword varname">orginal_filepath</var> <var class="+ topic/keyword sw-d/varname keyword varname">new_filepath</var></pre><div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">示例</strong>：将脚本放入新建目录中：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_b4f_dcl_sdc" data-ofbid="dfs_cmd_ref_guide__codeblock_b4f_dcl_sdc">cp package/artinchip/lvgl-ui/S00lvgl target/chip/board/rootfs_overlay/etc/init.d/S00lvgl</pre></div></div>
            <div class="- topic/p p" data-ofbid="d173868e88__20250121171622">示例输出：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_cbn_thh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_cbn_thh_tdc">Copy data <span class="hl-number">1536000</span> B, speed <span class="hl-number">2.29</span> MB/s
</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_x2b_5hh_tdc" data-ofbid="dfs_cmd_ref_guide__section_x2b_5hh_tdc"><h2 class="- topic/title title sectiontitle">mv</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e98__20250121171622">移动或重命名文件或目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_qt1_2rk_5dc" data-ofbid="dfs_cmd_ref_guide__codeblock_qt1_2rk_5dc">mv <var class="+ topic/keyword sw-d/varname keyword varname">original_filename</var> <var class="+ topic/keyword sw-d/varname keyword varname">new_filename</var></pre></div>
            <div class="- topic/p p" data-ofbid="d173868e108__20250121171622">示例：重命名文件<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_qkp_5hh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_qkp_5hh_tdc">mv fb0.argb <var class="+ topic/keyword sw-d/varname keyword varname">fb1</var>.argb</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_thp_vhh_tdc" data-ofbid="dfs_cmd_ref_guide__section_thp_vhh_tdc"><h2 class="- topic/title title sectiontitle">rm</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e121__20250121171622">删除文件或目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_prc_whh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_prc_whh_tdc">rm fb0.argb</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_ad3_ql3_rdc" data-ofbid="dfs_cmd_ref_guide__section_ad3_ql3_rdc"><h2 class="- topic/title title sectiontitle">mkdir</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e131__20250121171622">创建目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_yvm_df1_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_yvm_df1_tdc">mkdir -p <var class="+ topic/keyword sw-d/varname keyword varname">new_dir</var></pre></div>
            <div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">示例</strong>：在
                    <span class="+ topic/ph sw-d/filepath ph filepath">target/<var class="+ topic/keyword sw-d/varname keyword varname">chip</var>/<var class="+ topic/keyword sw-d/varname keyword varname">board</var>/rootfs_overlay/</span>
                目录下创建一个新目录存放脚本文件，例如
                <span class="+ topic/ph sw-d/filepath ph filepath">/etc/init.d/</span><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_fg3_t3r_ldc" data-ofbid="dfs_cmd_ref_guide__codeblock_fg3_t3r_ldc">mkdir -p target/chip/board/rootfs_overlay/etc/init.d</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_k4g_xhh_tdc" data-ofbid="dfs_cmd_ref_guide__section_k4g_xhh_tdc"><h2 class="- topic/title title sectiontitle">rmdir</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e161__20250121171622">删除空目录。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_sys_xhh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_sys_xhh_tdc">rmdir new_dir</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_kw4_yhh_tdc" data-ofbid="dfs_cmd_ref_guide__section_kw4_yhh_tdc"><h2 class="- topic/title title sectiontitle">cat</h2>
            
            <p class="- topic/p p" data-ofbid="d173868e171__20250121171622">显示文件内容。</p>
            <div class="- topic/p p" data-ofbid="d173868e174__20250121171622">例如，使用 <code class="+ topic/ph pr-d/codeph ph codeph">cat</code> 命令读取 <span class="+ topic/ph sw-d/filepath ph filepath">otg_mode</span> 文件的内容，以查看当前的 USB OTG
                模式。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_a41_zhh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_a41_zhh_tdc">cat /sys/devices/platform/soc/soc:usb-otg/otg_mode</pre></div>
            <div class="- topic/p p" data-ofbid="d173868e185__20250121171622">系统输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_wdp_m3h_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_wdp_m3h_tdc"><strong class="hl-keyword">auto</strong></pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_xbx_g3s_sdc" data-ofbid="dfs_cmd_ref_guide__section_xbx_g3s_sdc"><h2 class="- topic/title title sectiontitle">echo</h2>
            
            <p class="- topic/p p" data-ofbid="d173868e195__20250121171622">向文件写入数据。</p>
            <div class="- topic/p p" data-ofbid="d173868e198__20250121171622">例如，将 <code class="+ topic/ph pr-d/codeph ph codeph">auto</code> 写入 <span class="+ topic/ph sw-d/filepath ph filepath">otg_mode</span>
                文件，使系统根据连接的设备自动切换角色。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_gxh_k3h_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_gxh_k3h_tdc">echo <strong class="hl-keyword">auto</strong> &gt; /sys/devices/platform/soc/soc:usb-otg/otg_mode</pre></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_bfg_4z2_tdc" data-ofbid="dfs_cmd_ref_guide__section_bfg_4z2_tdc"><h2 class="- topic/title title sectiontitle">chmod +x</h2>
            
            <p class="- topic/p p" data-ofbid="d173868e214__20250121171622">更改文件权限。</p>
            <div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">示例</strong><div class="- topic/p p" id="dfs_cmd_ref_guide__p_fwk_zz2_tdc" data-ofbid="dfs_cmd_ref_guide__p_fwk_zz2_tdc">使用 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">chmod +x</span>
                    命令将脚本设置为可执行文件：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_tll_jcl_sdc" data-ofbid="dfs_cmd_ref_guide__codeblock_tll_jcl_sdc">chmod +x target/chip/board/rootfs_overlay/etc/init.d/S00lvgl</pre></div></div>
        </section><section class="- topic/section section" id="dfs_cmd_ref_guide__section_trg_bjh_tdc" data-ofbid="dfs_cmd_ref_guide__section_trg_bjh_tdc"><h2 class="- topic/title title sectiontitle">mount</h2>
            
            <div class="- topic/p p" data-ofbid="d173868e234__20250121171622">
                <pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="dfs_cmd_ref_guide__codeblock_ixz_bjh_tdc" data-ofbid="dfs_cmd_ref_guide__codeblock_ixz_bjh_tdc">mount -t dfs elm,data=/dev/data,noatime=y /mnt/dfs</pre>
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