Terminal Shell Script Making apt Easy And Killing Processes

#!/bin/bash
#######################
# Bash Menu Scripting #
################################
# GLOBAL VARIABLES IN ALL CAPS #
#########################################################################################
#########################################################################################
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#  v1ral_ITS   |   ImPerialTeKSolutions@outlook.com   |   www.pastebin.com/u/v1ral_ITS  #
##                                                                                     ##
#########################################################################################
#########################################################################################
# Console colors
W='\033[0m'  # white (normal)
R='\033[31m'  # red
G='\033[32m'  # green
O='\033[33m'  # orange
B='\033[34m'  # blue
P='\033[35m'  # purple
C='\033[36m'  # cyan
GR='\033[37m'  # gray

#####################
#     START         #
#####################

PS3='Please enter your choice: '
options=("`echo -e $O Update`" "`echo -e $B Upgrade`" "`echo -e $C Install`" "`echo -e $GR Autoremove`" "`echo -e $P Purge`" "`echo -e $W Kill_Processes`" "`echo -e $C Clear Screen`" "`echo -e $GR Enter Your Own Command`" "`echo -e $P $BLINK Quit`")
select opt in "${options[@]}"
do
    case $opt in
        "`echo -e $O Update`")
            sudo apt-get -y update
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
        "`echo -e $B Upgrade`")
            sudo apt-get -y upgrade
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
        "`echo -e $C Install`")
            echo -n "What do you want to install?: "
            read INST
            sudo apt-get -y install $INST
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
        "`echo -e $GR Autoremove`")
            sudo apt-get -y autoremove
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
        "`echo -e $P Purge`")
            echo -n "What do you want to purge?: "
            read PGE
            sudo apt-get -y purge $PGE
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
        "`echo -e $W Kill_Processes`")
            echo -e $R"`killps`"
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
        "`echo -e $C Clear Screen`")
            echo -e $O"`clear`"
            echo -e $C"Your options again are, press [E]nter \n `echo $options`"
            ;;
    "`echo -e $GR Enter Your Own Command`")
        MSG=$(zenity --title "Terminal Command Entry" --entry )
        sudo $MSG
        echo -e $C"Your options again are, press [E]nter \n `echo $options`"
        ;;
        "`echo -e $P $BLINK Quit`")
            break
            ;;
        *) echo invalid option;;
    esac
done
echo -en "Please Email us @ ImPerialTeKSolutions@outlook.com for any and all questions comments, freelance work, and any other projects. We like feedback, thanks!"
sleep 4


# Console colors ##############
W='\033[0m'  # white (normal) #
R='\033[31m'  # red           #
G='\033[32m'  # green         #
O='\033[33m'  # orange        #
B='\033[34m'  # blue          #
BLINK='\e[5m' # blink         #
P='\033[35m'  # purple        #
C='\033[36m'  # cyan          #
GR='\033[37m'  # gray         #
###############################
#     REMINDER            #
###############################

cd "`pwd`";
    echo -e \n\n\n`clear`;
    echo -e $GR" `date` ";
    echo -e $O" Shell Scripts Made For You........";
    echo -e $P" Your present working directory is `pwd`...";
    echo -e Inside....
    ls;
    echo -e $W"
    $R########################################################$G##################################################################
    $G#####         *                                                                   $R  *                   ####
    $GR#####         SHELL SCRIPTS MADE EASY FOR THE LINUX USER      $C    2018_vet   ImP.TeK_Solutions TM                     ####
    $G#####         *                                                                           $R  *                   ####
    $R########################################################$G##################################################################
    "
date