Cygwin's default user interface may be the bash shell working while in 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 based upon them, which include rxvt/urxvt and xterm. The Model of GCC that includes https://gregoryopooo.blogs100.com/37687844/acgwin-no-further-a-mystery