我正在使用linux ubuntu服务器.当我用ls -l
.检查文件权限时.所有文件权限均以连字符开头(-)
.
例:
-rwxrwxrwx 1 www-data www-data 418 Sep 25 2013 index.php -rwxrwxrwx 1 www-data www-data 19930 Apr 9 23:50 license.txt -rwxrwxrwx 1 www-data www-data 7194 May 7 20:43 readme.html -rwxrwxrwx 1 www-data www-data 4896 Dec 24 2013 wp-activate.php drwxrwxrwx 9 www-data www-data 4096 Jul 18 10:03 wp-admin -rwxrwxrwx 1 www-data www-data 271 Jan 8 2012 wp-blog-header.php -rwxrwxrwx 1 www-data www-data 4818 Feb 18 21:45 wp-comments-post.php -rwxrwxrwx 1 www-data www-data 3361 Jul 18 10:02 wp-config.php -rwxrwxrwx 1 www-data www-data 3087 Oct 24 2013 wp-config-sample.php drwxrwxrwx 5 www-data www-data 4096 Jul 18 10:14 wp-content -rwxrwxrwx 1 www-data www-data 2932 Sep 25 2013 wp-cron.php drwxrwxrwx 12 www-data www-data 4096 May 8 17:45 wp-includes -rwxrwxrwx 1 www-data www-data 2380 Oct 24 2013 wp-links-opml.php -rwxrwxrwx 1 www-data www-data 2359 Oct 24 2013 wp-load.php -rwxrwxrwx 1 www-data www-data 32671 Apr 13 16:06 wp-login.php -rwxrwxrwx 1 www-data www-data 8235 Nov 13 2013 wp-mail.php -rwxrwxrwx 1 www-data www-data 11070 Apr 7 20:15 wp-settings.php -rwxrwxrwx 1 www-data www-data 25665 Nov 13 2013 wp-signup.php -rwxrwxrwx 1 www-data www-data 4026 Oct 24 2013 wp-trackback.php -rwxrwxrwx 1 www-data www-data 3032 Feb 9 20:39 xmlrpc.php
这个连字符是什么意思?
一些启示是从一开始的d
.
我无法理解这个第一个位置角色.请帮我.
注意:
我知道这个字符r = read , w = write , x = execute
.
以下是手册中第一个字符的可能值(man ls
在命令行输入):
b Block special file. c Character special file. d Directory. l Symbolic link. s Socket link. p FIFO. - Regular file.