Chapter 8: Using the Command Line Interface431Option DescriptionforceGsmModem The port enters the GSM modem state.ExampleThe following command sets the CONSOLE baud rate of the EMXdevice's serial port to 9600 bps.config:# serial consoleBaudRate 9600Setting the History Buffer LengthThis command syntax sets the history buffer length, which determinesthe amount of history commands that can be retained in the buffer. Thedefault length is 25.config:# history length Variables: is an integer number between 1 and 250.Multi-Command SyntaxTo shorten the configuration time, you can combine various configurationcommands in one command to perform all of them at a time. Allcombined commands must belong to the same configuration type, suchas commands prefixed with network, user modify, sensor externalsensorand so on.A multi-command syntax looks like this: ...Example 1 - Combination of IP, Subnet Mask and Gateway ParametersThe following multi-command syntax configures IPv4 address, subnetmask and gateway for the network connectivity simultaneously.