MAC OS install RZ command

Reprinted from: http://www.cnblogs.com/dingdada/p/4498766.html

There are many posts on MAC Du Niang search. This one is relatively clear, and by the way, I supplement some problems I encountered with the installation of this blog.

When downloading and installing lrzsz in the second step, the sudu command used by the original blog can be removed. If it is not removed, the system will prompt that the installation is not allowed
. wget command, then it is not used. The alternative is to open the link directly, copy the relevant script, and create a script with the same name in the relevant directory;