This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
Code in time and space
Mackenzie, A. (2006). Kernel. In Mackenzie, A. Cutting Code: Software and Sociality. Peter Lang Inc., International Academic Publishers, pp. 67-90
(adjective) of the same or equal age, antiquity, or duration
Unix was itself coeval with a particular programming language, C