文件:w:只允許修改而不允許刪除
目錄:w: 允許修改,刪除
[root@localhost ~]# cd /
[root@localhost /]# mkdir /prem
[root@localhost /]# ls -ld /prem
drwxr-xr-x 2 root root 4096 Apr 22 01:00 /prem
[root@localhost /]# touch /prem/newfile
[root@localhost /]# ls -l /prem/newfile
-rw-r--r-- 1 root root 0 Apr 22 01:01 /prem/newfile
[root@localhost /]# chmod 777 /prem/newfile
[root@localhost /]# ls -ld /prem
drwxr-xr-x 2 root root 4096 Apr 22 01:01 /prem
[root@localhost /]# ls -l /prem/newfile
-rwxrwxrwx 1 root root 0 Apr 22 01:01 /prem/newfile
[root@localhost /]# cat /etc/paswd
cat: /etc/paswd: No such file or directory
[root@localhost /]# cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
distcache:x:94:94:Distcache:/:/sbin/nologin
nscd:x:28:28:NSCD Daemon:/:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
apache:x:48:48:Apache:/var/www:/sbin/nologin
rpc:x:32:32:Portmapper RPC user:/:/sbin/nologin
mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin
smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin
本文出自 「南疆路上」 博客,請務必保留此出處http://qnbese8.blog.51cto.com/492564/847899
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