It&#x27;s also useful today when you have an embedded system without a (or a not yet) working network connection. [<a href="https:&#x2F;&#x2F;ohse.de&#x2F;uwe&#x2F;software&#x2F;lrzsz.html" rel="nofollow">https:&#x2F;&#x2F;ohse.de&#x2F;uwe&#x2F;software&#x2F;lrzsz.html</a>].<p>I&#x27;ve also used in the past with ancient lab equipment built around XT&#x2F;AT PCs.