chmod

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