Minimum set of primitives?

Rodrigo Ventura
Thu, 19 Mar 1998 19:22:53 +0100 (GMT+0100)

>>>>> "Kragen" == Kragen  <> writes:

    Kragen> - nonvolatile media can be removed and moved to another machine.  It's
    Kragen> useful if they can be read on that other machine.  This means being
    Kragen> careful about cross-device links.  This is especially useful in the
    Kragen> case of floppy disks, Zip disks, Jaz drives, etc., but even ordinary
    Kragen> hard drives are important.

        Hum, that gives rise to a non-trivial question: how to handle
references, gc and removable media in an hybrid memory/disk system? I
mean, what happens if referenced objects are lost? How "ls -la" things
would work on such a system?



*** Rodrigo Martins de Matos Ventura, alias <Yoda>
***   Instituto de Sistemas e Robotica, Polo de Lisboa
***    Instituto Superior Tecnico, Lisboa, Portugal
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