检查ftp在本地是否已经安装linux命令,以及安装的ftp版本的命令如下:
rpm -qa|grep vsftpd
本机命令返回结果:
[root@localhost ~]# rpm -qa|grep vsftpd
vsftpd-3.0.2-10.el7.x86_64
切换root用户方法一:
[wanghongyue@localhost ~]$ su
密码: --这里输入root用户的密码
[root@localhost wanghongyue]# pwd
/home/wanghongyue
[root@localhost wanghongyue]# exit
exit
切换root用户方法二:
[wanghongyue@localhost ~]$ su -
密码: --这里输入root用户的密码
[root@localhost ~]# pwd
/root
[root@localhost ~]# exit
登出
切换root用户方法三:
[wanghongyue@localhost ~]$ su wanghongyue
密码: --这里输入wanghongyue用户的密码
[wanghongyue@localhost ~]$ pwd
/home/wanghongyue
[wanghongyue@localhost ~]$ exit
exit
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