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

Specifies 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

Specifies the file path.

An existing file

Usage

Specify [mode] to change the file permission.

Example

Run chmod 666 hello-harmony.txt.

Output

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