On: Introduction to OS Abstractions Using Plan 9 from Bell Labs (2007) [pdf]

[executesorder66]

Not OP but here's what I found:

Everything is a URL [0][1]

[0]https://doc.redox-os.org/book/introduction/how_redox_compare...

[1]https://doc.redox-os.org/book/design/url_scheme_resource/eve...