[root@caliper /root]# ls -l /etc/shadow
-rw------- 1 root root 847 Jul 11 15:42 /etc/shadow
[root@caliper /root]# vipw
<编辑/etc/passwd>
You are using shadow passwords on this system. Would you like to edit
/etc/shadow now [y/n]? y
<开始编辑/etc/shadow>
[root@caliper /root]# ls -l /etc/shadow
-rw-r--r-- 1 root root 847 Jul 11 15:48 /etc/shadow
[root@caliper /root]#