权限定义谁可以访问给定文件、谁可以读取它、谁可以向其写入，以及谁可以执行它。

The permissions define who can access a given file, who can read it, who can write to it, and who can execute it.

youdao

首先我们更改.ssh目录的访问权，只允许所有者拥有读取、写入和执行的权限。

First, we change the access rights for the.ssh directory so that only the owner has read, write, and execute privileges.

youdao

首先我们更改.ssh目录的访问权，只允许所有者拥有读取、写入和执行的权限。

First, we change the access rights for the.ssh directory so that only the owner has read, write, and execute privileges.

youdao