Listing 1: The vh shell script

# Listing 1
KEYWORD=$1
HELPFILE=$2
clear
grep "<$KEYWORD>" $HELPFILE|sed s/\<$KEYWORD\>//
echo
echo "Enter a word from the list: \c"
read KEYWORD
if test "$KEYWORD" = ""
then
exit 0
fi
clear
grep "<$KEYWORD>" $HELPFILE|sed s/\<$KEYWORD\>//|pg