linux rz不管用,rz命令用不了？

服务器跑的是centos，已经反复安装了几次lrzsz， 但是输入rz命令没有出现本地窗口，而是打印出waiting to receive.和一串不明其意的字符，为什么呢？

[root@iZ28dqmn6k8Z ~]# yum list installed lrzsz

Loaded plugins: security

Repository base is listed more than once in the configuration

Repository updates is listed more than once in the configuration

Repository extras is listed more than once in the configuration

Repository centosplus is listed more than once in the configuration

Repository contrib is listed more than once in the configuration

atomic | 2.2 kB 00:00

atomic/primary_db | 810 kB 00:54

base | 1.1 kB 00:00

epel | 3.6 kB 00:00

epel/primary_db | 2.5 MB 00:02

extras | 2.1 kB 00:00

updates | 1.9 kB 00:00

updates/primary_db | 609 kB 00:00

Installed Packages

lrzsz.i386 0.12.20-22.1 installed

[root@iZ28dqmn6k8Z ~]# rz

�**B0100000023be50e.**B0100000023be50