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, which include rxvt/urxvt and xterm. The Model of GCC that includes Cygwin has a https://johnnyrrsrq.total-blog.com/acgwin-no-further-a-mystery-62422198