@ echo off
echo **************************************************************************
echo THIS BATCH FILE USES PKZIP.EXE TO CREATE A (LOW LEVEL) ENCRYPTED ARCHIVE
echo FILE IN THE *.ZIP FILE FORMAT.  (PKZIP.EXE MUST BE IN THE DOS PATH.)
echo THE USER MUST SUPPLY 3 COMMAND LINE ARGUMENTS WHEN EXECUTING THIS BATCH 
echo FILE AT THE DOS COMMAND LINE: zipfilename file(s)_to_archive password  .
echo **************************************************************************
echo "zipfilename" may be any sequence of 8 permitted DOS filename characters
echo The ".ZIP" extension will be automatically appended to "zipfilename"
echo when the low level encrypted archive file is created by PKZIP.EXE.  
echo "file(s)_to_archive" may be a specific filename or a DOS wildcard filename.
echo The files to be archived should be in the current subdirectory or a full 
echo DOS path to the files is required.  
echo "password" may be any sequence of permitted DOS filename symbols. The
echo identical "password" symbol sequence will be needed to later extract the 
echo file(s) from the low level encrypted *.ZIP archive file being created. 
echo **************************************************************************
pkzip -s%3 %1 %2