linux基本操作passwd修改密码如果忘记密码,进single模式直接设置新密码(e-à+single-àb)。查看系统版本:[root@localhost ~]# lsb_release -aLSB Version: :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarchDistributor ID: CentOSDescription: CentOS release 4.6 (Final)Release: 4.6Codename:...