Cygwin's default user interface will be the bash shell working inside the mintty terminal emulator.[25] The DLL also implements pseudo terminal (pty) gadgets, and Cygwin ships with several terminal emulators which might be determined by them, like rxvt/urxvt and xterm. The version of GCC that comes with Cygwin has various https://acgwin41741.blogdanica.com/37158245/acgwin-fundamentals-explained