Merubah tampilan terminal linux

#!/bin/bash
#------------------------------------------////
# Bash
# Last Modified 1 Februari 2013 j0ck3r
# Running on Backtrack 5
#------------------------------------------////
#------------------------------------------////
# Colors:
#------------------------------------------////
black='\e[0;30m'
blue='\e[0;34m'
green='\e[0;32m'
cyan='\e[0;36m'

red='\e[0;31m'
purple='\e[0;35m'
brown='\e[0;33m'
lightgray='\e[0;37m'
darkgray='\e[1;30m'
lightblue='\e[1;34m'
lightgreen='\e[1;32m'
lightcyan='\e[1;36m'
lightred='\e[1;31m'
lightpurple='\e[1;35m'
yellow='\e[1;33m'
white='\e[1;37m'
nc='\e[0m'
#------------------------------------------////
# Some original .bashrc contents:
#------------------------------------------////
# If not running interactively, don't do anything
[ -z "$PS1" ] && return
# don't put duplicate lines in the history. See bash(1) for more options
export HISTCONTROL=ignoredups
# update the values of LINES and COLUMNS.
shopt -s checkwinsize
# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(lesspipe)"
# set variable identify\e[1;32ming the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi
#PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]j0ck3r@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
#------------------------------------------////
# Prompt:
#------------------------------------------////

#PS1='\e[0;36m\h\[\e[0;36m\] \w \[\033[00m\] $ \[\033[00m\]'
PS1='\033[01;32mj0ck3r\[\033[01;32m\]@\[\033[01;32m\]\h\[\033[00;32m\]{\[\033[01;32m\]\w\[\033[01;32m\]}\[\033[01;32m\]:\[\033[00m\]'
#PS1='\e[0;36m\W\@ \$\e[m '
#if [ `id -un` != root ]; then
#PS1="[${EGR}\u@\h${EBL} \W${NONE}]# "
#else
#PS1="[${ERD}\h${EBL} \W${NONE}]# "
#fi
#------------------------------------------////
# System Information:
#------------------------------------------////
echo -e "${lightblue}";figlet "tulisan yg ingin dimunculkan dalam ascii";echo "=========================Please Identify u'r Personal Employed================"
echo -ne ${lightblue}; echo =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
echo -ne ${lightgreen}Today is:${red} `date`; echo
echo -e ${lightgreen}Kernel Information: ${red} `uname -smr`
echo -e ${lightgreen}Time: ${red} `date +%r`
echo -e ${lightgreen}Date: ${red} `date +%d-%m-%Y`
echo -e ${lightgreen}User: ${red} `whoami`
echo -e ${lightred}Just Ordinary People
echo -e ${white}${italic}This is My world,world composed of the digits 0 and 1
#echo -e \t \t ${cyan}@${white}j${lightgreen}0${white}c${red}k${yellow}3${green}r
echo -ne ${lightblue}; echo =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=