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46 lines
1.8 KiB
Plaintext
46 lines
1.8 KiB
Plaintext
.;25-MAR-80
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\\
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.LM0;.RM70;.F;.J;.FLAG CAP;.SP1;.TS5
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^WHEN A NEW <RSX20F FRONT-END FILE SYSTEM IS BEING BUILT ON A PACK
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WHICH PREVIOUSLY HAD ONE, THE <UFD TASK SOMETIMES REFUSES TO CREATE
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A <UFD BECAUSE IT THINKS THAT ONE ALREADY EXISTS. ^THIS IS GENERALLY
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THE RESULT OF THE WAY -20^F FINDS ITS FRONT-END FILES. ^PART OF
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-20^F LOOKS IN THE <HOME BLOCK ON THE PACK AND THE REST DOES A LINEAR
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SEARCH OF THE PACK LOOKING FOR SOMETHING THAT IT RECOGNIZES. ^ONE
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SURE WAY TO GET AROUND THE PROBLEM IS TO REFORMAT THE PACK BUT THIS
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TAKES A WHILE. <FEDEL IS A PROGRAM THAT WRITE ZEROS INTO EVERY
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400 OCTAL BLOCKS ON A PACK STARTING WITH BLOCK 0. ^SINCE -20^F ONLY LOOKS
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AT EVERY 400 BLOCKS ON THE PACK, THIS DESTROYS ALL TRACES OF THE
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PREVIOUS FRONT-END FILE SYSTEM.
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.SK 1
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<FEDEL MAY BE RUN WITH THE FOLLOWING COMMAND:
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.SK 1
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.^^RUN FEDEL\\
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.SK 1
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TO WHICH IT WILL RESPOND:
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.SK 1
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.LIT
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***********************************************************************
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* This program deletes all traces of an RSX20F front-end file system. *
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* In doing so, it destroys the ENTIRE contents of the pack. *
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* DO NOT CONTINUE if this is not what you want to do. *
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***********************************************************************
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Physical unit name:
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.END LIT
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.SK 1
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^THE USER SHOULD RESPOND WITH THE PHYSICAL UNIT NAME OF THE UNIT
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CONTAINING THE PACK TO BE MUNGED, E.G., <RPA1. <FEDEL WILL
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READ THE <HOME BLOCK ON THE PACK AND PRINT:
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.SK 1
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.LIT
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You have specified unit RPA1
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Structure ID for the pack mounted on this unit is DSKB
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HOM block unit ID for this unit is DSKB0
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Continuing will destroy the ENTIRE contents of this pack.
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Do you wish to continue?
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.END LIT
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.SK 1
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^THE USER SHOULD RESPOND WITH A <Y IF THIS IS THE CORRECT PACK.
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<FEDEL WILL THEN ZERO THE BLOCKS AND EXIT.
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