Hi Performance FileSystem

{{Short description|File system used by the HP-UX operating system}}

{{distinguish|High Performance File System}}

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Hi Performance FileSystem{{Disputed inline|"Hi Performance" or "High Performance"?|date=February 2023}} (HFS) is a file system used in the HP-UX operating system. It is a variant of the Unix File System.{{cite book|url=http://bitsavers.org/pdf/hp/9000_hpux/9.x/B2355-90029_How_HP-UX_Works_Concepts_for_the_System_Administrator_Aug92.pdf|title=How HP-UX Works: Concepts for the System Administrator|chapter=8. HFS File System|page=8{{hyp}}1|date=August 1992|publisher=Hewlett-Packard}}