Create a text file named .bash_profile in your $HOME path with the following content:

export PATH=$PATH:/Library/PostgreSQL/8.4/bin:/opt/subversion/bin:$HOME/bin  
export CLICOLOR=1  
export LSCOLORS=ExFxCxDxBxegedabagacad  
export PS1='${debian_chroot:+($debian_chroot)}\[\033[01;00m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '  
# ~/.bashrc: executed by bash(1) for non-login shells.  
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)  
# for examples  
# If not running interactively, don't do anything  
[ -z "$PS1" ] && return  
# don't put duplicate lines in the history. See bash(1) for more options  
# don't overwrite GNU Midnight Commander's setting of `ignorespace'.  
HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups  
# ... or force ignoredups and ignorespace  
HISTCONTROL=ignoreboth  
# append to the history file, don't overwrite it  
shopt -s histappend  
# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)  
# check the window size after each command and, if necessary,  
# update the values of LINES and COLUMNS.  
shopt -s checkwinsize  
# make less more friendly for non-text input files, see lesspipe(1)  
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"  
# set variable identifying 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  
# set a fancy prompt (non-color, unless we know we "want" color)  
case "$TERM" in  
xterm-color) color_prompt=yes;;  
esac  
# uncomment for a colored prompt, if the terminal has the capability; turned  
# off by default to not distract the user: the focus in a terminal window  
# should be on the output of commands, not on the prompt  
#force_color_prompt=yes  
if [ -n "$force_color_prompt" ]; then  
if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then  
# We have color support; assume it's compliant with Ecma-48  
# (ISO/IEC-6429). (Lack of such support is extremely rare, and such  
# a case would tend to support setf rather than setaf.)  
color_prompt=yes  
else  
color_prompt=  
fi  
fi  
if [ "$color_prompt" = yes ]; then  
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '  
else  
PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '  
fi  
unset color_prompt force_color_prompt  
# If this is an xterm set the title to user@host:dir  
case "$TERM" in  
xterm*|rxvt*)  
PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"  
;;  
*)  
;;  
esac  
# enable color support of ls and also add handy aliases  
if [ -x /usr/bin/dircolors ]; then  
test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"  
alias ls='ls --color=auto'  
#alias dir='dir --color=auto'  
#alias vdir='vdir --color=auto'  
alias grep='grep --color=auto'  
alias fgrep='fgrep --color=auto'  
alias egrep='egrep --color=auto'  
fi  
# some more ls aliases  
#alias ll='ls -l'  
#alias la='ls -A'  
#alias l='ls -CF'  
# Alias definitions.  
# You may want to put all your additions into a separate file like  
# ~/.bash_aliases, instead of adding them here directly.  
# See /usr/share/doc/bash-doc/examples in the bash-doc package.  
if [ -f ~/.bash_aliases ]; then  
. ~/.bash_aliases  
fi  
# enable programmable completion features (you don't need to enable  
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile  
# sources /etc/bash.bashrc).  
if [ -f /etc/bash_completion ] && ! shopt -oq posix; then  
. /etc/bash_completion  
fi