[使用十进制的方法设置权限](%E4%BD%BF%E7%94%A8%E5%8D%81%E8%BF%9B%E5%88%B6%E7%9A%84%E6%96%B9%E6%B3%95%E8%AE%BE%E7%BD%AE%E6%9D%83%E9%99%90.md) [特殊权限](%E7%89%B9%E6%AE%8A%E6%9D%83%E9%99%90.md) [缺省权限umask详解](%E7%BC%BA%E7%9C%81%E6%9D%83%E9%99%90umask%E8%AF%A6%E8%A7%A3.md)