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2000-06-30
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CHG v1.1 04/04/86
This program is a kludge of UNERA and MAKE utilities.
It allows you to change the user area of a program without
re-copying the entire file. It can also unerase a file.
Warmboots on exit to force buffer flush/write
Steve Sanders, TBKUG/DataCOM Super Systems
(813) 791-1454/55 modem 300/1200/2400
To use:
Change User Number
==================
A>CHG d:ufn.typ olduser# newuser#
A>CHG C:GAME.BAS 6 0
Will move GAME.BAS from user area 6 to user area 0
CHG supports user#'s 0 thru 31.
Unerase A File
==============
A>CHG C:GAME.BAS ? 4
Will unerase GAME.BAS from the directory of drive C
and restore it to C4:
If the specified file is NOT found, an error message is displayed
and CHG aborts with no changes to the directory made.
NOTE: No unerase utility can function properly if you fail to sort
and pack your directory frequently. The SAP44 utility is the
best one around, get it, and use it daily if you want a good
unerase function. SAP will fill all erased data areas with
E5 bytes making future unerases impossible and absolutely
erasing old directory entries. Plus it keeps the directory
sorted so even dumb commands like CP/M's DIR will show an
alphabetized directory listing.
ANOTHER NOTE: Any and all programs that unerase files are potentially
dangerous when misused and/or overused!