LITTLE KNOWN FACTS ABOUT ACGWINLOGIN.

The Cygwin DLL consists of a console driver that emulates a Unix-type terminal throughout the Windows console. Cygwin's default consumer interface is the bash shell working from the Cygwin console. The DLL also implements pseudo terminal (pty) equipment. Cygwin ships with a number of terminal emulators which have been based on them, such as mintty,