{
  "slug": "fuse",
  "term": "FUSE",
  "aliases": [
    "Filesystem in Userspace",
    "File system in userspace"
  ],
  "definition": "FUSE connects a kernel filesystem interface to a userspace daemon that implements filesystem operations.",
  "note": "Scope: request caching and the daemon's backend determine the effective behavior; the framework name alone does not specify persistence. [libfuse-api]\n\nDisambiguation: this filesystem interface is unrelated to binary fuse filters. The accompanying review traces cache modes and synchronization callbacks. [hesela-fuse]",
  "related": [
    "fuse-writeback-cache",
    "fuse-flush",
    "page-cache",
    "fsync"
  ],
  "citations": [
    {
      "id": "libfuse-api",
      "title": "libfuse 3.16.2: low-level open, flush, release and fsync contracts",
      "url": "https://github.com/libfuse/libfuse/blob/fuse-3.16.2/include/fuse_lowlevel.h",
      "accessed": "2026-10-18"
    },
    {
      "id": "hesela-fuse",
      "title": "Hesela: FUSE writeback caching and the fsync contract",
      "url": "https://hesela.com/analyses/fuse-writeback-cache-fsync/",
      "accessed": "2026-10-18"
    }
  ],
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "updated": "2026-10-18"
}