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1998-03-14
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Documentation for RECOVER, ver. 1.01
A Public Domain Program from Articulate Software
This is a program to help recover files that have been
accidentally deleted. It is primarily effective for finding
files that contain text, rather than programs. This is
because it will display the contents of a "cluster" (two
sectors) on the disk, and you must look at it and determine
whether that is part of your lost file; programs will usually
look like garbage on the screen.
To use the program, double-click on RECOVER.TOS. Type a
single letter for which drive contains the file you are
trying to recover. When asked for a cluster number, enter
consecutive cluster numbers and WRITE DOWN A LIST of the
clusters that contain your file, in proper order. At this
time, always enter 'N' in response to the program's question,
"Hit Y to add to buffer, N otherwise."
Once you have a complete list, enter the proper sector
numbers in consecutive order, and answer 'Y' to the program's
question. When done, just hit [Return] in response to the
program's request for a cluster number.
Then, insert a DIFFERENT disk. Type a filename under which
to save your data. Examine the results. If they are
incorrect, go back and try the process again.
There will often be a small amount of garbage at the end of
your file; this is unavoidable. You should remove this
garbage after restoring the file. For example, if it is a
word processing file, edit the file with your word processor
to remove the garbage.
You can use Control-S to pause the scrolling as the contents
of a cluster are being displayed.
There are several ways you can answer the question that asks
for a cluster number:
- Type a number. If it is invalid, RECOVER will tell
you the valid range of cluster numbers.
- Type a plus sign. The cluster number will be one
higher than the previous value.
- Type a minus sign. The cluster number will be one
lower than the previous value.
- Type a plus or minus sign followed by a number. The
number will be added or subtracted from the previous
cluster number.
- Hit RETURN when you are done entering cluster numbers
and saving them in the buffer.
- Backspace will erase the previous character; Escape
will erase all characters that have been typed.
Also, a tip to speed the process of locating your file: Do
not start at cluster zero and plod through all of the
clusters. TOS tends to store a file in a consecutive series
of clusters, or sometimes several groups of consecutive
clusters. Try checking every tenth cluster until you find
the area of the disk that contains your file.
To cancel program execution, hit [Control-C] at any time.
If you find this program useful, or if you would like the
source code (which is NOT public domain), please send a $10
check to:
Articulate Software
83 Corte Mesa Dr.
San Rafael, CA 94901