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Essential Page Cache theory

Published: 21 September 2021
Tags: linux

"In essence the Page Cache is a part of Virtual File System (VFS) which main purpose, as you can guess, is improving IO latency of read and write operations". In this second article of a nine part series, Viacheslav Biriukov answers questions like what is, what problem does it solve, and why is it called a "Page" cache, then goes on to outline how reads and writes are handled.

Fitting a FORTH in 512 bytes

Published: 10 June 2021
Tags: forth

"What if you were locked in a room with an IBM PC, with no operating system on it? What would be the minimum amount of software you'd need to start out with to bootstrap back into comfort?". In this extensive series, Jakub Kądziołka documents his journey in answering those two questions so you don't have to.

On bad advice

Published: 22 September 2021
Tags: philosophy

Yeah it's mostly philosophy related to writing code and not super technical, but we really surround ourselves with a lot of philosophy when programming (design patterns, language patterns, architecture styles to name a few). In this insightful article, Jamie Brandon explores the validity of advice received over 12 years of working with code, and shares thoughts on observed patterns.