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Queries the system immutable flag.

Component Version macOS Windows Linux Server iOS SDK
Files 14.2 ✅ Yes ❌ No ❌ No ✅ Yes, on macOS ✅ Yes
MBS( "Files.IsSystemImmutable"; Path )   More


Parameter Description Example
Path Native path to the file or directory. "/System/Applications/"


Returns 1, 0 or error.


Queries the system immutable flag.
Value is true for system-immutable resources.

See also

Release notes

Blog Entries

This function checks for a license.

Created 18th April 2024, last changed 18th April 2024

Files.IsReadOnly - Files.IsUserImmutable