#xattr (1)

Cheat sheets (1)

xattr — Extended Attributes on macOS

Deep-dive on macOS extended attributes — listing, reading, writing, and removing xattrs with xattr(1); the Gatekeeper com.apple.quarantine flag; Spotlight metadata attributes; ACLs via ls -le and chmod +a; preserving attributes on copy with cp -p and rsync -X.

xattr macos cli filesystem security gatekeeper quarantine acl metadata web-researched

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