yǒu / xiē / jiù / xì / tǒng / réng / rán / shǐ / yòng / bā / jìn / zhì / lái / biǎo / shì / wén / jiàn / quán / xiàn / 。有些旧系统仍然使用八进制来表示文件权限。Some older systems still use octal to represent file permissions.