第一组表示文件所有者的读、写和执行权限。

The first group indicates the read, write, and execute permissions for the file's owner.

youdao

更改一个uid或gid将导致此前由该用户拥有的所有文件的所有权更改为表示该文件的以前所有者的实际整数。

Changing a uid or gid causes the ownership of all the files previously owned by that user or group to change to the actual integer representing the file's previous owner.

youdao

更改一个uid或gid将导致此前由该用户拥有的所有文件的所有权更改为表示该文件的以前所有者的实际整数。

Changing a uid or gid causes the ownership of all the files previously owned by that user or group to change to the actual integer representing the file's previous owner.

youdao