This object indicates the numerically lowest available
index within this entity, which may be used for the
value of etsysFileOperationIndex in the creation
of a new entry in the etsysFileOperationTable.
An index is considered available if the index value falls
within the range of 1 to etsysFileOperationLimit and is
not being used to index an existing entry in the
etsysFileOperationTable contained within this entity.
A value of zero indicates that all of the entries in the
etsysFileOperationTable are currently in use.
This value should only be considered a guideline for
management creation of etsysFileOperationTable, there is
no requirement on management to create entries based upon
this index value.