Up to PDF 1.4, released in 2001, everything you could do in a PDF file could be done in PostScript. But with PDF 1.4 there were some new things that PostScript didn’t have.

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.

So, all you have to do to protect your own PostScript files from being converted into PDFs is to insert this code into the PostScript after the %BeginSetup or the %EndProlog lines of the PostScript.

Configuration of most aspects of PostScript language file and PDF output is possible. However, the PDF import/export functionality in QuarkXpress 6.0 has the following known flaws: ...

PostScript software is complex, PDF software is somewhat simpler. PostScript files rely on other files like font definitions, PDF files are entirely self-contained.

Saying that Mac OS X is PDF-based means that the software that renders graphical components to the screen has a high degree of interconnect with the PDF imaging model.

His first product was Adobe PostScript, which sparked the desktop publishing revolution. PostScript profoundly disrupted the typesetting industry, as well as altered overall prepress and print ...

PostScript, the venerable page description language dating back to Macs in the '80s, has finally hit the end of the road in macOS Sonoma.

For example, PostScript can't handle transparencies directly (it fakes them by converting them into bitmap patterns), and converting such a PostScript file back to PDF will not restore the original ...