Apple ended direct PostScript file support in macOS Sonoma, but you can still peek inside PDF files to see what they contain, by using PDF Debugger.

The Computer History Museum (CHM) has, with Adobe's permission, released the source code for an early version of PostScript, a programming language developed in the early 1980s by Adobe, which ...

The Computer History Museum is excited to publicly release, for the first time, the source code for the breakthrough printing technology, PostScript.