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chmod.md 3.54 KB

# chmod<a name="EN-US_TOPIC_0000001052170278"></a>

-   [Command Function](#section13992936121418)
-   [Syntax](#section63342439147)
-   [Parameter Description](#section894414671411)
-   [Usage](#section182415221419)
-   [Example](#section8518195718147)
-   [Output](#section127391818158)

## Command Function<a name="section13992936121418"></a>

This command is used to change the file operation permission.

## Syntax<a name="section63342439147"></a>

chmod \[_mode_\] \[_pathname_\]

## Parameter Description<a name="section894414671411"></a>

**Table  1**  Parameters

<a name="table1049mcpsimp"></a>
<table><thead align="left"><tr id="row1055mcpsimp"><th class="cellrowborder" valign="top" width="21%" id="mcps1.2.4.1.1"><a name="p1057mcpsimp"></a><a name="p1057mcpsimp"></a><a name="b144816543511718"></a><a name="b144816543511718"></a>Parameter
</th>
<th class="cellrowborder" valign="top" width="52%" id="mcps1.2.4.1.2"><a name="p1059mcpsimp"></a><a name="p1059mcpsimp"></a><a name="b1544627143010"></a><a name="b1544627143010"></a>Description
</th>
<th class="cellrowborder" valign="top" width="27%" id="mcps1.2.4.1.3"><a name="p1061mcpsimp"></a><a name="p1061mcpsimp"></a><a name="b44030524511718"></a><a name="b44030524511718"></a>Value Range
</th>
</tr>
</thead>
<tbody><tr id="row1062mcpsimp"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><a name="p1064mcpsimp"></a><a name="p1064mcpsimp"></a>mode
</td>
<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><a name="p13519122819294"></a><a name="p13519122819294"></a>Indicates the permission for a file or directory. The value is an octal number, representing the permission of <a name="b11602834153114"></a><a name="b11602834153114"></a>User (owner), <a name="b032113853120"></a><a name="b032113853120"></a>Group (group), or <a name="b1980114418310"></a><a name="b1980114418310"></a>Other (other groups).
</td>
<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><a name="p182181026104214"></a><a name="p182181026104214"></a>[0, 777]
</td>
</tr>
<tr id="row172161126124218"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><a name="p12217026154215"></a><a name="p12217026154215"></a>pathname
</td>
<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><a name="p4218826194210"></a><a name="p4218826194210"></a>Indicates the file path.
</td>
<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><a name="p13872195215290"></a><a name="p13872195215290"></a>An existing file
</td>
</tr>
</tbody>
</table>

## Usage<a name="section182415221419"></a>

By specifying the  **mode**  parameter before the file name, you can change the permission for this file.

## Example<a name="section8518195718147"></a>

Enter  **chmod 666 hello-harmony.txt**.

## Output<a name="section127391818158"></a>

**Figure 1** Changing the permission on the **hello-harmony.txt** file to **666**<a name="fig501223144912"></a> 
![](figures/changing-the-permission-on-the-hello-harmony-txt-file-to-666.png "changing-the-permission-on-the-hello-harmony-txt-file-to-666")

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提交于 2021-03-12 17:59 . !197 Docs Update version 1.0.1

chmod

Command Function
Syntax
Parameter Description
Usage
Example
Output

Command Function

This command is used to change the file operation permission.

Syntax

chmod [mode] [pathname]

Parameter Description

Table 1 Parameters

Parameter	Description	Value Range
mode	Indicates the permission for a file or directory. The value is an octal number, representing the permission of User (owner), Group (group), or Other (other groups).	[0, 777]
pathname	Indicates the file path.	An existing file

Usage

By specifying the mode parameter before the file name, you can change the permission for this file.

Example

Enter chmod 666 hello-harmony.txt.

Output

Figure 1 Changing the permission on the hello-harmony.txt file to 666

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chmod

Command Function

Syntax

Parameter Description

Usage

Example

Output

简介

发行版

贡献者

近期动态

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chmod

Command Function

Syntax

Parameter Description

Usage

Example

Output

简介

发行版

贡献者

近期动态

搜索帮助

王栓 / docs