My .bash_profile file

.bash_profile

export PATH=/usr/local/bin:$PATH

# promt colors
export PS1="\[\033[0;32m\]\w \[\033[0;97m\]\$\[\033[0m\] "

# ls alias for color-mode
alias ls='ls -lhaG'

# cd up
alias ..='cd ..'

# get ip
alias ip='ifconfig | grep "inet " | grep -v 127.0.0.1 | cut -d \  -f 2'
# more details
alias ip2="ifconfig -a | perl -nle'/(\d+\.\d+\.\d+\.\d+)/ && print $1'"

# refresh shell
alias reload='source ~/.bash_profile'