Bye

1. A command often used to exit or logout of a session. For example, during a FTP session the bye command will exit FTP. See the how to use ftp help page for information about bye and other FTP commands. See the Linux exit command for information about the command to exit from a Linux session, shell, or program.

2. In general, bye is a way of telling someone you are leaving or a way to wish someone else farewell.