I booted UNIX V4 (first C rewrite) in a PDP‑11 emulator. It feels tactile—no backspace, staggered print, slower typing, and ...

What defines an operating system isn’t a geeky label or a collection of ramblings from the mouths of its community members. Nor is it some empty and pointless certification offered up by an obscure ...

Forty years ago this summer, a programmer sat down and knocked out in one month what would become one of the most important pieces of software ever created. In August 1969, Ken Thompson, a programmer ...

It took careful work to recover the UNIX V4 operating system from the 9-track magnetic tape. The software is foundational for ...

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect. File permissions and ...