Unix, Plan 9 and the Lurking Smalltalk

S. Kell, “Unix, Plan 9 and the Lurking Smalltalk,” in Reflections on Programming Systems: Historical and Philosophical Aspects, L. De Mol and G. Primiero, Eds. Cham: Springer International Publishing, 2018, pp. 189–213. doi: 10.1007/978-3-319-97226-8_6. pdf