Colorize unix shell prompt

Color Prompts

BASH shell:
alias ll='/opt/sfw/bin/ls -althp --color=auto'

PATH=$PATH:/usr/local/new/aps2/MSC_R-14-1_U/bin:$HOME/workspace/doPERL:$HOME/bin

alias toolbox='toolbox-MSC_R-14 &'
alias goplex='cd /home/xviengu/workspace/doPLEX/'
alias goperl='cd /home/xviengu/workspace/doPERL/'
alias gos37='ssh xviengu@seasx037.rnd.as.sw.ericsson.se'
alias gos74='ssh xviengu@seasx074.rnd.as.sw.ericsson.se'

alias pm='pm.pl'
alias pb='pb.pl'
alias csrv='csrv.pl'
alias cpf='cpf.pl'

#alias ana='ana.pl'
#alias gen='gen.pl'
#alias com='com.pl'
#alias pb='pb.pl'

if [ $CLEARCASE_ROOT ]; then
    export PS1='\e[0;31m[\u@\e[1;32m\h \e[0;36m`basename $CLEARCASE_ROOT` \e[0;35m${PWD#${PWD%/*/*/*}/}]\\$ \e[m';
else
    export PS1='\e[0;31m[\u@\e[1;32m\h \e[0;35m${PWD#${PWD%/*/*/*}/}]\\$ \e[m';
fi

VIMRUNTIME=$HOME/.vim;
export VIMRUNTIME

alias vim='/home/xviengu/bin/vim'
alias ctags='/home/xviengu/bin/ctags'
alias cscope='/home/xviengu/bin/cscope'


CSCOPE_EDITOR=$HOME/bin/vim;
export CSCOPE_EDITOR

CSCOPE_DB=$HOME/cscope/cscope.out;
export CSCOPE_DB

VPATH=$HOME/cscope:$HOME:.
export VPATH