This start.sh is for windows "Docker Quick Start"

start.sh

#!/bin/bash

trap '[ "$?" -eq 0 ] || read -p "Looks like something went wrong... Press any key to continue..."' EXIT

VM=default
DOCKER_MACHINE=./docker-machine.exe

BLUE='\033[1;34m'
GREEN='\033[0;32m'
NC='\033[0m'

if [ ! -f $DOCKER_MACHINE ] || [ ! -f /c/Program\ Files/Oracle/VirtualBox/VBoxManage.exe ]; then
  echo "Either VirtualBox or Docker Machine are not installed. Please re-run the Toolbox Installer and try again."
  exit 1
fi

/c/Program\ Files/Oracle/VirtualBox/VBoxManage.exe showvminfo $VM &> /dev/null
VM_EXISTS_CODE=$?

set -e

if [ $VM_EXISTS_CODE -eq 1 ]; then
  echo "Creating Machine $VM..."
  $DOCKER_MACHINE rm -f $VM &> /dev/null || :
  rm -rf ~/.docker/machine/machines/$VM
  $DOCKER_MACHINE -D create -d virtualbox --virtualbox-memory 2048 $VM
else
  echo "Machine $VM already exists in VirtualBox."
fi

echo "Starting machine $VM..."
$DOCKER_MACHINE start $VM

echo "Setting environment variables for machine $VM..."
eval "$($DOCKER_MACHINE env $VM --shell bash)"

clear
cat << EOF


                        ##         .
                  ## ## ##        ==
               ## ## ## ## ##    ===
           /"""""""""""""""""\___/ ===
      ~~~ {~~ ~~~~ ~~~ ~~~~ ~~~ ~ /  ===- ~~~
           \______ o           __/
             \    \         __/
              \____\_______/

EOF
echo -e "${BLUE}docker${NC} is configured to use the ${GREEN}$VM${NC} machine with IP ${GREEN}$($DOCKER_MACHINE ip $VM)${NC}"
echo "For help getting started, check out the docs at https://docs.docker.com"
echo
cd

exec "$BASH" --login -i

Usage

This start.sh is for windows "Docker Quick Start",
Just replace the file in "C:\Program Files\Docker Toolbox\start.sh"

Who need it ?

1. For the Windows user wants to use docker-machine from Docker Quick Start

2. For the Windows user encounters docker-machine env shell problem when trigger Docker Quick Start

   Setting environment variables for machine default...
Error: Unknown shell

3. For the Windows user envcounters boot2docker accessibility problem when using Docker Quick Start

   Post http://127.0.0.1:2375/v1.20/containers/create: dial tcp 127.0.0.1:2375: ConnectEx tcp: No connection could be made because the target machine actively refused it..
* Are you trying to connect to a TLS-enabled daemon without TLS?
* Is your docker daemon up and running?