when explaining SLS to those on another platform, keep in mind r that
you have to be prepared to make the case of how SLS is better than a
traditional system. In SLS you have the same way of addressing bytes
in a permanent user space as in program allocated memory. However,
there is the 16 meg segment size limit which complicates the work of
coding for spaces. We have teraspace, but teraspace can only be used
only for progam allocated memory.

Consider the improvements which could be made to SLS. Without the
segment limit, stream files could be addressed as an array of bytes.
No need for teraspace, since objects on the system could be the size
of all the dasd on the system. Program memory could be allocated from
permanent user space like objects, making it possible for the system
to store the complete program memory state of an abended job.

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