Vim - How to remove the ^M Line break?

■ When a script file can not be executed, because of ^M

$ ./startBatchSample.sh 

-bash: ./startBatchSample.sh: /bin/sh^M: bad interpreter: No such file or directory

■■ This is the solution. ■■
■ Change mode into Unix.

:set fileformat=unix

■ Change mode into Dos.(This is extra information.)

:set fileformat=dos

Vim - How to turning off indent when pasting text into vim.

■ Sometime, I need to copy and paste text on Vim.
    But It doesn't work like this.

test
   test
      test

■■ This is the solution. ■■

■ Turning off indent

:set paste

■ Do copy

■ Turning on indent

:set nopaste