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UTFS is a small embedded file system inspired by the TAR format, designed for microcontrollers to store data with string-based file names, separating data storage from application logic.
A programmer used the caches of 3.9 million open DNS resolvers to store file fragments, creating an absurd open-source project called dnsfs. The files disappear as the caches expire.
A technical guide on deliberately corrupting ZFS files using the 'zinject' tool or manual byte-level edits to understand ZFS's error handling and self-healing behavior.
WSL 2 is receiving a performance improvement where each virtio device gets its own dedicated DMA (SWIOTLB) pool, eliminating contention on the virtiofs path for cross-OS file access between Windows and Linux. This change, merged in May 2026, is the latest in a series of incremental improvements to Windows/Linux file I/O performance in WSL 2.