标签:sgi 用户id parent rect uid cte esc and effect
S_ISUID  (04000)  set-user-ID (set process effective user ID on execve(2))
S_ISGID  (02000)  set-group-ID  (set  process effective group ID on execve(2); mandatory locking, as described in fcntl(2); 
        take a new file‘s group from parent directory, as described in chown(2) and mkdir(2))
S_ISVTX  (01000)  sticky bit (restricted deletion flag, as described in unlink(2))
标签:sgi 用户id parent rect uid cte esc and effect
原文地址:http://www.cnblogs.com/embedded-linux/p/7257039.html