Drew DeVault • 11/12/2022

In praise of Plan 9

This article examines the Plan 9 operating system from Bell Labs, describing it as a superior and influential successor to Unix. It details its core design philosophy where 'everything is a file,' contrasting its elegant network programming model with Unix's Berkeley sockets. The piece highlights Plan 9's lasting impact, noting how concepts like UTF-8, /proc, and union filesystems originated there, and explores its unique features like the 9P protocol and per-process namespaces.

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#file systems #unix #Network Programming