Trailing-Edge
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PDP-10 Archives
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decuslib10-04
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43,50331/dfcode.abs
There are no other files named dfcode.abs in the archive.
DFCODE IS A PDP-10 PROGRAM TO CODE OR DECODE DECTAPE
FILES, IN SUCH A WAY AS TO MAKE THEM UNRECOGNIZABLE TO
ANYONE BUT THE OWNER. SINCE NORMAL MONITOR PROTECTION CAN
BE BYPASSED, AND IS INSTALATION DEPENDENT, A BETTER
PROTECTION SCHEME IS FREQUENTLY ADVANTAGEOUS.
THE PROGRAM WRITES CODED COPIES OF FILES FROM ANY
DEVICE, TO A "STORAGE" DECTAPE, AND WRITES DECODED COPIES OF
CODED FILES FROM A DECTAPE TO ANY OTHER DEVICE. ALTHOUGH
THE PERIPHERAL DEVICE ON WHICH THE UNCODED FILE RESIDES, OR
IS TO RESIDE, MAY BE ANY DEVICE, IT IS USUALLY DISK.