1# uname<a name="EN-US_TOPIC_0000001179965843"></a> 2 3- [Command Function](#section107697383115) 4- [Syntax](#section162824341116) 5- [Usage](#section2652124861114) 6- [Example](#section0107995132) 7- [Output](#section1215113245511) 8 9## Command Function<a name="section107697383115"></a> 10 11This command is used to display the name, version creation time, system name, and version information of the current OS. 12 13## Syntax<a name="section162824341116"></a> 14 15uname \[_-a | -s | -t | -v | --help_\] 16 17**Table 1** Parameters 18 19<a name="table909mcpsimp"></a> 20<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> 21</th> 22<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> 23</th> 24</tr> 25</thead> 26<tbody><tr id="row119816412718"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p1384693214813"><a name="p1384693214813"></a><a name="p1384693214813"></a>No parameter</p> 27</td> 28<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p18199114113719"><a name="p18199114113719"></a><a name="p18199114113719"></a>Displays the OS name by default.</p> 29</td> 30</tr> 31<tr id="row919mcpsimp"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p921mcpsimp"><a name="p921mcpsimp"></a><a name="p921mcpsimp"></a>-a</p> 32</td> 33<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p923mcpsimp"><a name="p923mcpsimp"></a><a name="p923mcpsimp"></a>Displays all information.</p> 34</td> 35</tr> 36<tr id="row924mcpsimp"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p926mcpsimp"><a name="p926mcpsimp"></a><a name="p926mcpsimp"></a>-t</p> 37</td> 38<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p928mcpsimp"><a name="p928mcpsimp"></a><a name="p928mcpsimp"></a>Displays the time when the version was created.</p> 39</td> 40</tr> 41<tr id="row929mcpsimp"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p931mcpsimp"><a name="p931mcpsimp"></a><a name="p931mcpsimp"></a>-s</p> 42</td> 43<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p933mcpsimp"><a name="p933mcpsimp"></a><a name="p933mcpsimp"></a>Displays the OS name.</p> 44</td> 45</tr> 46<tr id="row934mcpsimp"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p936mcpsimp"><a name="p936mcpsimp"></a><a name="p936mcpsimp"></a>-v</p> 47</td> 48<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p938mcpsimp"><a name="p938mcpsimp"></a><a name="p938mcpsimp"></a>Displays the version information.</p> 49</td> 50</tr> 51<tr id="row944mcpsimp"><td class="cellrowborder" valign="top" width="33.989999999999995%" headers="mcps1.2.3.1.1 "><p id="p946mcpsimp"><a name="p946mcpsimp"></a><a name="p946mcpsimp"></a>--help</p> 52</td> 53<td class="cellrowborder" valign="top" width="66.01%" headers="mcps1.2.3.1.2 "><p id="p948mcpsimp"><a name="p948mcpsimp"></a><a name="p948mcpsimp"></a>Displays the help information.</p> 54</td> 55</tr> 56</tbody> 57</table> 58 59## Usage<a name="section2652124861114"></a> 60 61The **uname** command displays the name of the current OS by default. The **uname -a | -t| -s| -v** command displays the name of the in-use OS in the standard output. These parameters are mutually exclusive. 62 63## Example<a name="section0107995132"></a> 64 65Run **uname -a**. 66 67## Output<a name="section1215113245511"></a> 68 69Querying system information 70 71 72 73
