NOT KNOWN DETAILS ABOUT ACGWIN

Cygwin's default user interface may be the bash shell jogging during the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) gadgets, and Cygwin ships with several terminal emulators that happen to be based on them, such as rxvt/urxvt and xterm. The Edition of GCC that comes with Cygwin has different extensions for generatin