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LNMPHASHTBL is a system parameter that sets the size of the process logical name hash table. Logical names are hashed using a function of the name length and contents. The LNMPHASHTBL parameter determines the number of entries for process-private logical names. The recommended setting is the average number of process-private logical names.

Note that the hashed values are rounded up to the nearest power of 2.

LNMPHASHTBL has the GEN attribute. On VAX systems, LNMPHASHTBL is also an AUTOGEN-altered parameter.