THE SMART TRICK OF ACGWIN THAT NO ONE IS DISCUSSING

The Cygwin DLL has a console driver that emulates a Unix-style terminal in the Home windows console. Cygwin's default user interface would be the bash shell functioning while in the Cygwin console. The DLL also implements pseudo terminal (pty) equipment. Cygwin ships with numerous terminal emulators that happen to be based on them, like mintty, rxv