2Convention Description[ x | y | ... ] * Asterisk marked square brackets enclose optional syntax choices separated by verticalbars, from which you select one choice, multiple choices, or none.&<1-n> The argument or keyword and argument combination before the ampersand (&) sign canbe entered 1 to n times.# A line that starts with a pound (#) sign is comments.NOTE:The keywords of command lines are case insensitive.Figure 2 shows how to read the clock datetime time date command by using Table 1 as a reference.Figure 2 Read command line parametersFollowing this example, you can enter the following command line at the CLI of your device and pressEnter to set the device system time to 10 o’clock 30 minutes 20 seconds, February 23, 2010. clock datetime 10:30:20 2/23/2010More complicated commands can be understood using Table 1 as a reference.Undo form of a commandThe undo form of a command restores the default, disables a function, or removes a configuration.Almost all configuration commands have an undo form. For example, the info-center enable commandenables the information center, and the undo info-center enable command disables the informationcenter.CLI viewsCLI view descriptionCommands are grouped into different classes by function. To use a command, you must enter the classview of the command.CLI views adopt a hierarchical structure. See Figure 3.• After logging in to the switch, you are in user view. The user view prompt is <device name>. In userview, you can perform display, debugging, and file management operations, set the system time,restart your device, and perform FTP and Telnet operations.• You can enter system view from user view. In system view, you can configure parameters such asdaylight saving time, banners, and short-cut keys.
