How to solve command line problem?

Question

Command line

When I enter the screen /dev/tty.usb command, I get LoginName too long - sorry. I found that my name is more than 20 characters, I found an article with a patch how to solve the problem: https://superuser.com/questions/566697/use-of-scre... when I enter the command patch -p 1 < gnuscreen-21653.patch but I can't install it says zsh: no such file or directory: gnuscreen-21653.patch.bin I don't know what to do next. Screen version 4.00.03