Linux sudo color bash install through nano and bashrc

export PS1="\[\e[31;42m\]\u@\h:\w\$ \[\e[0m\]"
 original above
 
 
 
  export PS1="\[\e[1;34m\]\u@\h:\w\$ \[\e[4;35m\]"  (blue yellow)
  
  export PS1="\[\e[1;34m\]\u@\h:\w\$ \[\e[4;35m\]"
  
  export PS1="\[\e[1;34m\]\u@\h:\w\$ \[\e[4;35m\]"
  
  export PS1="\[\e[31;42m\]\u@\h:\w\$ \[\e[0m\]"
  
  export PS1="\[\e[31;42m\]\u@\h:\w\$ \[\e[0m\]"
  
 45m purple 
 1;34m bold blue
 
  export PS1="\[\e[0;32m\]\u@\h:\w\$ \[\e[4;33m\]" (green yellow)
  
  export PS1="\[\e[4;33m\]\u@\h:\w\$ \[\e[45m\]"    (yellow purpleshadow)
  
  export PS1="\[\e[1;34m\]\u@\h:\w\$ \[\e[4;35m\]"  (blue purple) 
  
  export PS1="\[\e[31;42m\]\u@\h:\w\$ \[\e[4;35m\]"   (yellow purple)
  
  export PS1="\[\e[4;35m\]\u@\h:\w\$ \[\e[1;34m\]"
  
  basic colorgrids below
  
  txtblk='\e[0;30m' # Black - Regular
txtred='\e[0;31m' # Red
txtgrn='\e[0;32m' # Green
txtylw='\e[0;33m' # Yellow
txtblu='\e[0;34m' # Blue
txtpur='\e[0;35m' # Purple
txtcyn='\e[0;36m' # Cyan
txtwht='\e[0;37m' # White
bldblk='\e[1;30m' # Black - Bold
bldred='\e[1;31m' # Red
bldgrn='\e[1;32m' # Green
bldylw='\e[1;33m' # Yellow
bldblu='\e[1;34m' # Blue
bldpur='\e[1;35m' # Purple
bldcyn='\e[1;36m' # Cyan
bldwht='\e[1;37m' # White
unkblk='\e[4;30m' # Black - Underline
undred='\e[4;31m' # Red
undgrn='\e[4;32m' # Green
undylw='\e[4;32m\' # Yellow
undblu='\e[4;34m' # Blue
undpur='\e[4;35m' # Purple
undcyn='\e[4;36m' # Cyan
undwht='\e[4;37m' # White
bakblk='\e[40m'   # Black - Background
bakred='\e[41m'   # Red
bakgrn='\e[42m'   # Green
bakylw='\e[43m'   # Yellow
bakblu='\e[44m'   # Blue
bakpur='\e[45m'   # Purple
bakcyn='\e[46m'   # Cyan
bakwht='\e[47m'   # White
txtrst='\e[0m'    # Text Reset