This alias permits to add a stop command to your shell. Add it at the end of your `.bashrc/.zshrc/.fishrc/whatever` then `$ source $HOME/.zshrc` and enjoy the `stop` command!

stop-alias.sh

###
# stop - Permits to stop an app with a single command.
# @usage: stop {process-name}
# @exemple: stop firefox
###
function alias_stop() {
  APP=$1
  PID=$(pidof $@)

  # If no app(s) name is/are given, exit.
  if [ -z "$APP" ]; then
    tput bold; tput setaf 2; echo -e "Usage: stop {process-name}"
    tput setaf 4; echo -e "Exemple: $ stop firefox"
    return 1
  fi

  # If the app(s) is/are not running, exit.
  if [ -z "$PID" ]; then
    tput bold; tput setaf 1; echo -e "${APP} can't be killed because it is not running."
    return 1
  fi

  # Let's kill that/those fucking app(s) 3:D
  kill $(pidof $APP)

  # Inform the user wheter or not tha app(s) has been killed.
  PROC=$(pidof $PID)
  if [ -z "$PROC" ]; then
    tput bold; tput setaf 2; echo -e "[pid: ${PID}] ${APP} has been stopped. Success!"
    return 0
  else
    tput bold; tput setaf 1; echo -e "[pid: ${PID}] ${APP} can't be killed. Try again."
    return 1
  fi
}
alias stop=alias_stop