Cygwin's default person interface is definitely the bash shell running within the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) devices, and Cygwin ships with a number of terminal emulators which are according to them, which includes rxvt/urxvt and xterm. The Edition of GCC that comes with Cygwin https://acgwin40740.blog-gold.com/49390769/getting-my-acgwin-to-work