1# uname 2 3## Command Function<a name="section107697383115"></a> 4 5This command is used to display the name, version creation time, system name, and version information of the current operating system. 6 7## Syntax<a name="section162824341116"></a> 8 9uname \[_-a | -s | -r | -m | -n | -v | --help_\] 10 11**Table 1** Parameters 12 13<a name="table909mcpsimp"></a> 14<table><thead align="left"><tr id="row914mcpsimp"><th class="cellrowborder" valign="top" width="33.989999999999995%" id="mcps1.2.3.1.1"><p id="p916mcpsimp"><a name="p916mcpsimp"></a><a name="p916mcpsimp"></a>Parameter</p> 15</th> 16<th class="cellrowborder" valign="top" width="66.01%" id="mcps1.2.3.1.2"><p id="p918mcpsimp"><a name="p918mcpsimp"></a><a name="p918mcpsimp"></a>Parameters</p> 17</th> 18</tr> 19</thead> 20<tbody><tr id="row7659172561412"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p9648112519147"><a name="p9648112519147"></a><a name="p9648112519147"></a>--help</p> 21</td> 22<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p1664862551411"><a name="p1664862551411"></a><a name="p1664862551411"></a>Displays help information.</p> 23</td> 24</tr> 25<tr id="row365962510147"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p26489259149"><a name="p26489259149"></a><a name="p26489259149"></a>No parameter</p> 26</td> 27<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p186484252141"><a name="p186484252141"></a><a name="p186484252141"></a>Displays the operating system name by default.</p> 28</td> 29</tr> 30<tr id="row12659142511413"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p156481253140"><a name="p156481253140"></a><a name="p156481253140"></a>-a</p> 31</td> 32<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p864872512145"><a name="p864872512145"></a><a name="p864872512145"></a>Displays all information.</p> 33</td> 34</tr> 35<tr id="row365917254143"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p136481625131417"><a name="p136481625131417"></a><a name="p136481625131417"></a>-s</p> 36</td> 37<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p1064852514149"><a name="p1064852514149"></a><a name="p1064852514149"></a>Displays the operating system name.</p> 38</td> 39</tr> 40<tr id="row196591425101413"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p364814255144"><a name="p364814255144"></a><a name="p364814255144"></a>-r</p> 41</td> 42<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p1564872515145"><a name="p1564872515145"></a><a name="p1564872515145"></a>Displays the kernel release version.</p> 43</td> 44</tr> 45<tr id="row10659202591419"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p11648162520146"><a name="p11648162520146"></a><a name="p11648162520146"></a>-m</p> 46</td> 47<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p136489251143"><a name="p136489251143"></a><a name="p136489251143"></a>Displays the operating system architecture name.</p> 48</td> 49</tr> 50<tr id="row126582025111417"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p13648102551411"><a name="p13648102551411"></a><a name="p13648102551411"></a>-n</p> 51</td> 52<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p6648132512141"><a name="p6648132512141"></a><a name="p6648132512141"></a>Displays the network domain name of the host.</p> 53</td> 54</tr> 55<tr id="row3658925151415"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p9648152501414"><a name="p9648152501414"></a><a name="p9648152501414"></a>-v</p> 56</td> 57<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p46489250149"><a name="p46489250149"></a><a name="p46489250149"></a>Displays version information.</p> 58</td> 59</tr> 60</tbody> 61</table> 62 63## Usage<a name="section2652124861114"></a> 64 65- The **uname** command displays the name of the current operating system by default. 66- Except **--help** and **-a**, other parameters can be used together. **uname -a** is equivalent to **uname -srmnv**. 67 68## Example<a name="section0107995132"></a> 69 70Run the following commands: 71 72- uname -a 73- uname -ms 74 75## Output<a name="section1215113245511"></a> 76 77Example 1: all information of the operating system 78 79``` 80OHOS:/$ uname -a 81LiteOS hisilicon 2.0.0.37 Huawei LiteOS 2.0.0.37 Oct 21 2021 17:39:32 Cortex-A7 82OHOS:/$ 83``` 84 85Example 2: operating system name and architecture 86 87``` 88OHOS:/$ uname -ms 89LiteOS Cortex-A7 90OHOS:/$ 91``` 92 93