The following contains descriptions for: access method support for
Access Method
execution of
.ust see data as
expect an access method to acquire input source records sequentially,
processors in the format that the as access methods would have produced.
Therefore, data appears in storage as if it had been manipulated using
an as access method. For
pool management, and variable records are maintained in storage as if an
os access method had processed the data. The actual writing to and
reading from the
The work of the volume table of contents
control
maintain disk contents and a file status table
All disks are formatted in physical blocks of
the auxiliary device, for files whose filemode number is 4. That is,
with the data. If a data set consists of blocked
written to and read from tbe
logical records.
manipulating data sets.
To accomplish this simulation,
for the following access methods:
position within the data set.
directly by key or address.
based on
access method
those services available under