3.6.21 Readonly Access
indicates files with contents that cannot be updated through LANSA.
The attribute applies to and the default is No (that is, updating is allowed).
It can be set to Yes (no updating allowed) if the option is enabled during the loading process.
It is possible that LANSA will be unable to update a file regardless of this indicator's setting.
You can set this option for as described in 3.12.4 Other Data Sources Load Options.