{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "@id": "https://anchorfact.org/kb/kb-2026-00257",
  "headline": "Linux File Permissions",
  "description": "Linux file permissions use a 3-tier model: Owner, Group, Others — each with Read (r=4), Write (w=2), Execute (x=1) permissions. Permission bits: `rwxr-xr--` means owner can read/write/execute, group can read/execute, others can read. `chmod 755 file` sets these numerically.",
  "dateCreated": "2026-05-22T14:59:47.615Z",
  "dateModified": "2026-05-22T14:59:47.615Z",
  "author": {
    "@type": "Organization",
    "name": "AnchorFact"
  },
  "publisher": {
    "@type": "Organization",
    "name": "AnchorFact",
    "url": "https://anchorfact.org"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "anchorfact:confidence": "high",
  "anchorfact:generationMethod": "human_only",
  "citation": []
}