ls -Z #Display security context so it fits on most displays. Displays only mode, user, group, security context and file name. [hello@localhost ~]
ls−Z[hello@localhost ]
-rw-rw-r–. hello hello unconfined_u:object_r:user_home_t:s0 v特殊权限 [421]ugo 2 275本组成员创建的文件，组内其他人都可以读写 [root@localhost ~]
chmod2275/var/www/html[root@localhost ]
ll /var/www/ [root@localhost ~]$ d-w-rx
sr-x. 4 root root 52 Jun 29 23:40 htmlssl #https
