If the effective UID of the caller is root, the real UID and saved set-user-ID are also set.

如果调用者的有效UID是根用户，那么还设置真实uid和保存的set - user - ID。

youdao

The file inheritable and permitted sets will be full on if the process's real or effective uid is 0 (root) or the file is setuid root.

如果进程的真实uid或有效uid是0(根用户)，或者文件是setuid root，那么文件的可继承集和允许集就是满的。

youdao