[root@good eric usr]# md5sum passwd
9cd05a1ea41cca510eb8f991924ffe5f passwd
[root@good eric usr]# vi passwd
[root@good eric usr]# md5sum passwd
b6d795f5f7c3c21043ead8e99d9b76d8 passwd
[root@good eric usr]#
[root@good eric usr]# vi /etc/shadow
avahi-autoipd:!!:17291::::::
vcsa:!!:17291::::::
abrt:!!:17291::::::
haldaemon:!!:17291::::::
被锁定的密码(不允许登录) root:$1$BWIgVFQ9$4tjCGlmlX9qmDHKzcraCG.:17291:0:99999:7:::
杂质salt