In 1981, the Xerox Star 8010 Information System originated the desktop metaphor with folders and document icons we all know today plus its desktop metaphor inspired Macs and Windows.
Happy 40th to the The Computer Folder!! https://www.howtogeek.com/769913/the-computer-folder-is-40-how-the-xerox-star-created-the-desktop/
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko