Cygwin's default user interface will be the bash shell operating inside the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) gadgets, and Cygwin ships with several terminal emulators which can be depending on them, which includes rxvt/urxvt and xterm. The Variation of GCC that comes along with Cygwin https://devinnpoon.blogars.com/35859866/details-fiction-and-acgwin