Command summary, 2 command summary, 3 command syntax conventions – ZyXEL Communications ZyXEL Dimension ES-2024 User Manual
Page 152: 4 getting help, 1 sys commands

Dimension ES-2024 Ethernet Switch
25-2
Introduction to CLI
25.1.3
Command Syntax Conventions
1. Command keywords are in courier new font.
2. The
| symbol means “or”.
3. Required fields in a command are enclosed in angle brackets <>. Use the following command to ping a host.
ip ping
4. Optional fields in a command are enclosed in square brackets [], for example, year, month and day are
optional in the following command. This command just displays the date if you don’t specify the year, month
and day parameters.
sys date [year month day]
5. Commands can be abbreviated to the smallest unique string that differentiates the command. For example the
“system date” command could be abbreviated to “s d”.
25.1.4 Getting
Help
Type “help” or “?” to display a list of valid commands or type a command followed by “help” or “?” to
display a list of associated subcommands.
The following figure shows a sample help information.
Figure 25-1 CLI Help: Sample Output
25.2 Command Summary
The following tables are summaries of the commands available in the ES-2024 together with a brief description of
each command. See the related section in the User’s Guide for more background information.
25.2.1 sys
Commands
Table 25-1 Command Summary: sys
COMMAND DESCRIPTION
sys
adjtime
Retrieves the date and time from
the time server specified in the
web configurator.
ES-2024> ?
Valid commands are:
sys exit ip
ES-2024> sys view ?
Usage: view