NOT KNOWN DETAILS ABOUT ACGWIN

Cygwin's default consumer interface is definitely the bash shell running within the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) units, and Cygwin ships with several terminal emulators that happen to be dependant on them, such as rxvt/urxvt and xterm. The Edition of GCC that comes with Cygwin has different extensions