{
  "id": "security-file-system",
  "name": "File System",
  "category": "computer_science",
  "subcategory": "security",
  "subcategory_name": "Security & Cryptography",
  "description": "File System process visualization. This process flowchart outlines key steps, checks, and outputs.",
  "complexity": {
    "nodes": 11,
    "edges": 11,
    "conditionals": 2,
    "logicGates": {
      "orGates": 2,
      "andGates": 1,
      "notGates": 0,
      "total": 3
    },
    "level": "high",
    "detailLevel": "source_grounded_rebuild",
    "loops": 1
  },
  "colorScheme": {
    "red": {
      "hex": "#ff6b6b",
      "category": "Triggers & Inputs"
    },
    "yellow": {
      "hex": "#ffd43b",
      "category": "Structures & Objects"
    },
    "green": {
      "hex": "#51cf66",
      "category": "Processing & Operations"
    },
    "blue": {
      "hex": "#74c0fc",
      "category": "Intermediates & States"
    },
    "violet": {
      "hex": "#b197fc",
      "category": "Products & Outputs"
    }
  },
  "mermaid": "graph TD\n    N1[\"File System research question\"]\n    N2[\"Filesystem Request\"]\n    N3[\"Path + Operation\"]\n    N4[\"Inodes/Metadata\"]\n    N5[\"Block Device\"]\n    N6{\"Lookup + Permission Check\"}\n    N7[\"Read/Write Blocks\"]\n    N8[\"Cache State\"]\n    N9[\"I/O Result\"]\n    N10{\"Source-grounded check: Security...\"}\n    N11[\"File System prediction/readout\"]\n\n    N1 --> N2\n    N2 --> N3\n    N3 --> N4\n    N4 --> N5\n    N5 --> N6\n    N6 -->|yes| N7\n    N7 --> N8\n    N8 --> N9\n    N9 --> N10\n    N10 -->|yes| N11\n    N8 -->|iterate| N3\n\n    style N1 fill:#ff6b6b,color:#fff\n    style N2 fill:#ff6b6b,color:#fff\n    style N3 fill:#ff6b6b,color:#fff\n    style N4 fill:#ffd43b,color:#000\n    style N5 fill:#ffd43b,color:#000\n    style N6 fill:#51cf66,color:#fff\n    style N7 fill:#51cf66,color:#fff\n    style N8 fill:#74c0fc,color:#fff\n    style N9 fill:#b197fc,color:#fff\n    style N10 fill:#ffd43b,color:#000\n    style N11 fill:#b197fc,color:#fff",
  "sources": [
    {
      "title": "Security Engineering",
      "authors": "Anderson, R.",
      "journal": "Wiley",
      "year": "2020",
      "pubmed": null,
      "doi": null,
      "url": "https://www.cl.cam.ac.uk/~rja14/book.html"
    },
    {
      "title": "The OAuth 2.0 Authorization Framework",
      "authors": "Hardt, D.",
      "journal": "RFC 6749",
      "year": "2012",
      "pubmed": null,
      "doi": "10.17487/RFC6749",
      "url": "https://doi.org/10.17487/RFC6749"
    },
    {
      "title": "Zero Trust Architecture",
      "authors": "Rose, S.; Borchert, O.; Mitchell, S.; Connelly, S.",
      "journal": "NIST Special Publication 800-207",
      "year": "2020",
      "pubmed": null,
      "doi": "10.6028/NIST.SP.800-207",
      "url": "https://doi.org/10.6028/NIST.SP.800-207"
    }
  ],
  "keywords": [
    "file",
    "system"
  ],
  "relatedProcesses": [],
  "created": "2026-01-08",
  "lastUpdated": "2026-04-30",
  "verified": false,
  "notes": "Corrective rebuild: replaces the generic scaffold with a process-specific step structure and records topology for duplicate detection.",
  "nodeDetails": [
    {
      "id": "N1",
      "label": "File System research question",
      "detail": "File System research question",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N2",
      "label": "Filesystem Request",
      "detail": "Filesystem Request",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N3",
      "label": "Path + Operation",
      "detail": "Path + Operation",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N4",
      "label": "Inodes/Metadata",
      "detail": "Inodes/Metadata",
      "type": "process",
      "role": "Structures & Objects"
    },
    {
      "id": "N5",
      "label": "Block Device",
      "detail": "Block Device",
      "type": "process",
      "role": "Structures & Objects"
    },
    {
      "id": "N6",
      "label": "Lookup + Permission Check",
      "detail": "Lookup + Permission Check",
      "type": "decision",
      "role": "Processing & Operations"
    },
    {
      "id": "N7",
      "label": "Read/Write Blocks",
      "detail": "Read/Write Blocks",
      "type": "process",
      "role": "Processing & Operations"
    },
    {
      "id": "N8",
      "label": "Cache State",
      "detail": "Cache State",
      "type": "process",
      "role": "Intermediates & States"
    },
    {
      "id": "N9",
      "label": "I/O Result",
      "detail": "I/O Result",
      "type": "process",
      "role": "Products & Outputs"
    },
    {
      "id": "N10",
      "label": "Source-grounded check: Security...",
      "detail": "Source-grounded check: Security Engineering",
      "type": "decision",
      "role": "Structures & Objects"
    },
    {
      "id": "N11",
      "label": "File System prediction/readout",
      "detail": "File System prediction/readout",
      "type": "process",
      "role": "Products & Outputs"
    }
  ],
  "flowchartStandard": {
    "name": "source_grounded_rebuild_v1",
    "applied": "2026-04-30",
    "curationStatus": "source_grounded_draft",
    "basis": "cs_exact_template",
    "topologySignature": "d83b51b2e17bb99e",
    "sourceGrounding": "Graph steps are derived from the process title, existing source metadata, and curated process/subfield templates; citations support the process topic and should be reviewed for node-level claims before marking verified."
  },
  "namedCollections": [],
  "graphMetrics": {
    "nodes": 11,
    "edges": 11,
    "conditionals": 2,
    "andGates": 1,
    "orGates": 2,
    "notGates": 0,
    "loops": 1
  }
}