&gt; Character cell terminal, and CLI are more popular and mainstream than ever.<p>By mainstream do you mean the 1% desktop share or in the GNU&#x2F;Linux world?<p>Actually it was this PDP-11 mentality one of the reasons I eventually moved back into Windows &#x2F; Mac OS X worlds.<p>I had my share of CLI starting with Timex 2068, AmigaDOS, MS-DOS, multiple UNIX flavours in the 80 - 90&#x27;s, to keep doing it daily in the 21st century.<p>Xerox PARC REPLs were way more interesting way of interacting with the computer and live in modern IDEs.