Echo

Often referred to as an echo check, echo is a term used to describe when data is sent to a computer or other network device, and that information is sent back to verify the information was received. Echo can be a command used with operating systems, network devices, or a function of a device.

Related pages

• See the echo command page for further information about this MS-DOS and Windows command line command.
• DOS and Windows batch file help.
• See the Linux echo command page for further information about this command.
• Computer network and network card help and support

Also see: Local echo, Network definitions, Ping, Echoplex