yum install lszrz
apt-get install lszrz
wget http://down1.chinaunix.net/distfiles/lrzsz-0.12.20.tar.gz
tar zxvf lrzsz-0.12.20.tar.gz
cd lrzsz-0.12.20
./configure
make
make install
cd /usr/bin
ln -s /usr/local/bin/lrz rz
ln -s /usr/local/bin/lsz sz
#open SecureCRT terminal
sz 1.txt # send file from linux to window
rz 2.txt # receive file from window to linux
原文：http://www.cnblogs.com/hellogiser/p/sz-rz-securectr.html