说明：  This book describes the following communications applications: Mail, Message Handler( MH), Transmission ControlProtocol/ Internet Protocol(TCP/ IP), Basic Networking Utilities( BNU), and Asynchronous Terminal Emulation( ATE). It provides overviews, concepts, and procedures on receiving and sending mail and messages, transferring files( ftp command), printing files from and to a remote system, running commands on other systems, communicating between local and remote systems, and customizing the communications environment.
(This book describes the following communications applications: Mail, Message Handler (MH), Transmission ControlProtocol/Internet Protocol (TCP/IP), Basic Networking Utilities (BNU), and Asynchronous Terminal Emulation (ATE). It provides overviews, concepts, and procedures on receiving and sending mail and messages, transferring files (ftp command), printing files from and to a remote system, running commands on other systems, communicating between local and remote systems, and customizing the communications environment.)