Cygwin's default user interface will be the bash shell operating inside the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) devices, and Cygwin ships with a number of terminal emulators that are based on them, including rxvt/urxvt and xterm. The Variation of GCC that comes along with Cygwin https://josuerstss.thechapblog.com/36183448/the-best-side-of-acgwin