Cygwin's default consumer interface would be the bash shell managing while in 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, such as rxvt/urxvt and xterm. The version of GCC that comes with Cygwin https://acgwin41741.blogpixi.com/37310087/considerations-to-know-about-acgwin