https://www.intel.com/content/www/us/en/docs/fortran-compiler/developer-guide-reference/2025-1/allocation-of-allocatable-arrays.html
Allocation of Allocatable Arrays
allocationarrays
https://docs.oracle.com/cd/E19455-01/806-1789/ch4device-64143/index.html
How to Set Up Lock Files for a Device to Be Made Allocatable (SunSHIELD Basic Security Module Guide)