DragonFly是一份作為FreeBSD-4.x系列在邏輯上的延續而設計的操作系統及應用環境。這些操作系統與Linux可歸為相同的類別，因為它們都基于UNIX理念及應用程序接口。DragonFly是這條發展道路上的一個分支，可以說，是給了BSD一個向著不同于FreeBSD-5系列的嶄新方向而發展的機會。

Matthew Dillon has announced the release of DragonFly BSD 2.2, a BSD operating system originally forked from FreeBSD 4.8: "TheDragonFly 2.2 release is here! The HAMMER filesystem is consideredproduction-ready in this release; it was first released in July 2008.The 2.2 release represents major stability improvements across theboard, new drivers, much better pkgsrc support and integration, and abrand new release infrastructure with multiple target options. Threerelease options are now available - our bare-bones CD ISO, a DVD ISOwhich includes a fully operational X environment, and a bare-bonesbootable USB disk-key image (less than 512M). We offer over 7,300pre-built pkgsrc packages for this release. The pkg_radd(1) utility maybe used to download pre-built binary packages. By default, this scriptwill query the main package site for a random redirect to one of ourmirrors." Read the detailed release notes for further information. Download (MD5): dfly-gui-2.2.0_REL.iso.gz (515MB), dfly-2.2.0_REL.iso.gz (183MB).

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