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 have been based on them, including rxvt/urxvt and xterm. The version of GCC that comes along with Cygwin has https://acgwin07406.blogminds.com/what-does-acgwin-mean-34036970