"Where do UNIX manpages come from? Who introduced the section-based layout of NAME, SYNOPSIS, and so on? And for manpage authors where were those economical two- and three-letter instructions developed?"
https manpages.bsd.lv history.html
"On September 27, 1983, a computer scientist named Richard Stallman announced the plan to develop a free software Unix-like operating system called GNU, for "GNU's not Unix." GNU is the only operating system developed specifically for the sake of use...
"... claims the UNIX OS was written in only 13K lines of code. Which seems a remarkably low number. Is it true, and if so how did they manage it? Seems completely antithetical to the monolithic monstrosities we know operating systems to be today."
...
The Evolution of Computing From 8-bit to 64-bit
"In the early days of computing, the alignment of bit lengths to powers of two wasn't always a given. Nonetheless, many early computers embraced these dimensions. The highest value a CPU could address i...
"Vannevar Bush, a professor at MIT Massachusetts Institute of Technology wanted to solve differential equations. Now, remember, in those days there weren t computers like we have today. Everything had to be done by hand or with mechanical devices...
"Every era of computing has its standout stars. The brains behind our beloved machines, the Central Processing Units (CPUs), have shaped technological advancement. Here's our list of the ten most influential CPUs that have left their mark on history ...
"Just over three decades ago, Linus Torvalds sowed the seeds for Linux by sending an email detailing his plans to develop a free OS"
https www.xda-developers.com on-this-day-in-1991-linus-torvalds-announced-linux
An annotated history of some character codes
or
ASCII American Standard Code for Information Infiltration
"This document is about character codes, specifically a history of ASCII(1), the American Standard Code for Information Interchange, and immediate...
The History of the First Computer Shell
"BASH? PowerShell? It all traces back to 1963. And the work of an amazing Frenchman, CTTS, and Multics."
https lunduke.locals.com post 2853097 the-history-of-the-first-computer-shell
Tracing the Lines From the Telephone to Unix
https www.deusinmachina.net p history-of-unix
"Starting in 1925, and still around 98 years later (albeit with a few name changes), Bell Labs has done some incredible things during its lifespan. Propelled ...