{
  "slug": "copy-on-write",
  "term": "Copy-on-write (storage)",
  "aliases": [],
  "definition": "A technique that writes modified blocks to new locations instead of overwriting in place.",
  "note": "",
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "related": [
    "snapshot",
    "ssd",
    "file-storage"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "c1",
      "title": "Copy-on-write (storage)",
      "url": "https://en.wikipedia.org/wiki/Copy-on-write",
      "accessed": "2026-03-26"
    }
  ]
}