function Linux_swap_mon
{

free -m | grep -i swap | while read junk SW_TOTAL SW_USED SW_FREE
do

# Use the bc utility in a here document to calculate
# the percentage of free and used swap space.

PERCENT_USED=$(bc <<EOF
scale=4
($SW_USED / $SW_TOTAL) * 100
EOF
)

PERCENT_FREE=$(bc <<EOF
scale=4
($SW_FREE / $SW_TOTAL) * 100
EOF
)

     # Produce the rest of the paging space report:
     echo "\nTotal Amount of Swap Space:\t${SW_TOTAL}MB"
     echo "Total KB of Swap Space Used:\t${SW_USED}MB"
     echo "Total KB of Swap Space Free:\t${SW_FREE}MB"
     echo "\nPercent of Swap Space Used:\t${PERCENT_USED}%"
     echo "\nPercent of Swap Space Free:\t${PERCENT_FREE}%"

     # Grap the integer portion of the percent used to
     # test for the over limit threshold

     INT_PERCENT_USED=$(echo $PERCENT_USED | cut -d. -f1)

     if (( PC_LIMIT <= INT_PERCENT_USED ))
     then
          tput smso
          echo "\n\nWARNING: Paging Space has Exceeded the \
${PC_LIMIT}% Upper Limit!\n"
          tput rmso
     fi

done

echo "\n"
}