Cygwin's default user interface will be the bash shell working inside the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) units, and Cygwin ships with quite a few terminal emulators which might be determined by them, which include rxvt/urxvt and xterm. The Model of GCC that includes Cygwin https://acgwin29628.activosblog.com/35916057/details-fiction-and-acgwin