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UNDEL.DOC
Wrap
Text File
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1985-07-02
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3KB
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86 lines
Documentation for UnDel v2.0
----------------------------
Written by Andrew McElroy
(c) 1985 by MicroComputing
UnDel is written to fill the void many MS-Dos users have expressed for
a long time. It will allow you to undelete files that you have killed
by accident. It should be noted that there are some pretty good commercial
utilities out there that will do this also. One to be noted are the
Norton Utilities(t). UnDel only works on the Rainbow 100 computers using
MSDOS. It MAY work on versions under 2.0 although it has not been tested.
Please make a backup of your disk before you use UnDel to recover a file.
This is not possible with a Hard Drive, but when using floppies, there is
no excuse. Use the DISKCOPY program as it will copy the program you just
deleted along with everything else. We have strived to ensure that this
program will NOT damage your files any more than they already are, but
nothing is 100 % certain so make those backups if you can.
USAGE
-----
To UnDelete a file, simply type:
UNDEL d:filespec.ext
WHERE: D: is a drive (floppy drives A-D or Hard Drives E-H)
FILESPEC.EXT is a standard MS-Dos file specifier
Warnings:
---------
UnDel currently only supports ROOT directories. If you try to UnDelete
a file that's in a SubDirectory, UnDel will come back with the response
that it doesnt support SubDirectories.
UnDel can ONLY recover files that have not been written over. If it is
found that the file has been written over, you will be notified.
MS-Dos checks the directory for empty entries when creating new files so
it is entirely possible that a new file may have destroyed the directory
entry for the old file. If this problem occurs, you may get the message
"file not found deleted". The BEST thing to do is notice RIGHT AWAY that
you deleted a wanted file. Since most mistakes come on wildcards anyway,
you will most likely notice it right away.
Sometimes MSDOS will allocate sectors of a file totally scattered over
the disk. If this happens, you have a problem. UnDel has a function
that you should try ONLY AT YOUR OWN RISK. It will allow you to scan
the disk sector by sector. After displaying each sector, it will ask you
if the sector you just saw was a part of your file. With .EXE & .COM files,
it will be a vague guess. With ASCII files it can be a big life-saver.
The format for this option is:
UnDel /P filespec.ext
Remember, this should ONLY be used at your own risk.
Future Enhancements
-------------------
1) Undel will support SubDirectories (This is vital)
2) Undel will list ALL undelete files (in case you forget the name..)
3) Undel will support memdisk (this is VERY optional depending on need)
Please send us any enhancements that you wish to have incorporated.
Sales Pitch
-----------
UnDel is copyrighted and is NOT public domain. It is to be distributed
with the complete documentation file. In order that we may continue to
write utilities such as this, we ask that you send whatever you think
this utility is worth to the following address:
MicroComputing
15300 S. Troy St.
Markham, Il. 60426
Data Line: (312) 331-2396 (Fido system #115/666)
This will ensure that you are notified and receive all updates promptly.