It's also useful today when you have an embedded system without a (or a not yet) working network connection. [https://ohse.de/uwe/software/lrzsz.html https://oh

It's also useful today when you have an embedded system without a (or a not yet) working network connection. [https://ohse.de/uwe/software/lrzsz.html https://ohse.de/uwe/software/lrzsz.html]. I've also used in the past with ancient lab equipment built around XT/AT PCs.