locate搜索工具
[root@localhost ~]# yum install mlocate
[root@localhost ~]# locate passwd
locate: can not stat () `/var/lib/mlocate/mlocate.db': No such file or directory
[root@localhost ~]# updatedb
[root@localhost ~]# locate passwd
/etc/passwd
/etc/passwd-
/etc/pam.d/passwd
/etc/security/opasswd