1.0Dans Geek Stop Bloghttps://blog.dansgeekstop.comDan Millerhttps://blog.dansgeekstop.com/index.php/author/dan/rich600338<blockquote class="wp-embedded-content" data-secret="ejFXPmc2FO"><a href="https://blog.dansgeekstop.com/index.php/2026/08/03/are-mainframe-computers-still-around/">Are Mainframe Computers Still Around?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blog.dansgeekstop.com/index.php/2026/08/03/are-mainframe-computers-still-around/embed/#?secret=ejFXPmc2FO" width="600" height="338" title="“Are Mainframe Computers Still Around?” — Dans Geek Stop Blog" data-secret="ejFXPmc2FO" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blog.dansgeekstop.com/wp-includes/js/wp-embed.min.js </script> https://blog.dansgeekstop.com/wp-content/uploads/2026/08/dbdb763e-386d-406f-986e-aef0d016b3b4-1024x683.png1024683I came across an article today about mainframe computers that reminded me of my beginnings in the computer industry. Mainframes are where my education and career in computers began. They were the systems I learned on and later worked with. Throughout the years, I’ve heard the same discussion over and over again. “Mainframes are dead.” […]