sentences:  In some systems, for example, Solaris, "getty" was replaced by ttymon.Personal computers running Unix-like operating systems, even if they do not provide any remote login services, may still use "getty" as a means of logging in on a local virtual console.Instead of the "login" program, "getty" may also be set up by the system administrator to run any other program, for example pppd (point-to-point protocol daemon) to provide a dial-up Internet connection.