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Global Assembly Cache
By registering assemblies in the global Assembly cache, they can be shared across many apps on the computer (GAC). The.NET Framework maintains a machine-wide local cache of assemblies called GAC. Using the gacutil command, we may add the assembly to the global assembly cache.

In explore, navigate to the GAC directory, C:winntAssembly.
Select cache properties from the tools menu; in the windows that appear, you may specify the GAC's memory limit in MB.