Use this .bashrc file for an unfamiliar machine.

.bashrc

EDITOR=vim
alias edit=$EDITOR
alias c="clear;pwd;ls"
alias rc=". ~/.bashrc"
alias eb="edit ~/.bashrc"
alias ..="cd .."
alias cd..="cd .."
alias ll="ls -al"

function k() {
    # Kills processes that match all the tokens
    if [ "$1" ]; then
        ps | greps $@ | awk '{print $1}' | xargs kill;
    fi
}
function greps() {
    # If only one arg, just grep for it
    # Otherwise grep for first arg and greps for the rest.
    # Essentially want to grep for AND of all arguments
    GREPS1="$1";
    if [ -z "$2" ]; then
        grep $GREPS1;
    else
        shift;
        grep $GREPS1 | greps $@;
    fi
}

alias gs="git status"
function ga() { # git add files with
    AWKSCRIPT='{print $NF}';
    git status | greps $@ | awk "$AWKSCRIPT" | xargs git add;
}
alias aaaa="ga mod; git commit --amend"  # add all and amend
alias 4a=aaaa
alias a4=4a
alias aaac="ga mod; git commit"  # add all and commit
alias acm="ga mod; git commit -m"  # add, commit, message
alias gb="git branch"
alias gc="git checkout"
alias gcm="git commit -m"
alias gd="git diff"
alias gdh="git diff HEAD"
alias gd^="git diff HEAD^"
alias gh="history | grep"
alias gl="git log"
alias gg="git grep"
alias ggn="git grep -n"

alias clean="rm *~; rm .*~"

export CLICOLOR=1
export LSCOLORS=ExFxCxDxBxegedabagacad

# Prompt and prompt colors
# 30m - Black
# 31m - Red
# 32m - Green
# 33m - Yellow
# 34m - Blue
# 35m - Purple
# 36m - Cyan
# 37m - White
# 0 - Normal
# 1 - Bold
function prompt {
  local BLACK="\[\033[0;30m\]"
  local BLACKBOLD="\[\033[1;30m\]"
  local RED="\[\033[0;31m\]"
  local REDBOLD="\[\033[1;31m\]"
  local GREEN="\[\033[0;32m\]"
  local GREENBOLD="\[\033[1;32m\]"
  local YELLOW="\[\033[0;33m\]"
  local YELLOWBOLD="\[\033[1;33m\]"
  local BLUE="\[\033[0;34m\]"
  local BLUEBOLD="\[\033[1;34m\]"
  local PURPLE="\[\033[0;35m\]"
  local PURPLEBOLD="\[\033[1;35m\]"
  local CYAN="\[\033[0;36m\]"
  local CYANBOLD="\[\033[1;36m\]"
  local WHITE="\[\033[0;37m\]"
  local WHITEBOLD="\[\033[1;37m\]"
  export PS1="$YELLOWBOLD[\$(date +%k:%M:%S)] \w> $WHITE"
}
prompt

pwd
ls