5-11
<Other information is omitted>
2) Enter a command, a space, and a question mark (?).
If the question mark “?” is at a keyword position in the command, all available keywords at the position
and their descriptions will be displayed on your terminal.
<Sysname> clock ?
datetime Specify the time and date
summer-time Configure summer time
timezone Configure time zone
If the question mark “?” is at an argument position in the command, the description of the argument will
be displayed on your terminal.
[Sysname] interface vlan-interface ?
<1-4094> VLAN interface number
If only <cr> is displayed after you enter “?”, it means no parameter is available at the “?” position, and
you can enter and execute the command directly.
[Sysname] interface vlan-interface 1 ?
<cr>
Partial online help
1) Enter a character/string, and then a question mark (?) next to it. All the commands beginning with
the character/string will be displayed on your terminal. For example:
<Sysname> p?
ping
pwd
2) Enter a command, a space, a character/string and a question mark (?) next to it. All the keywords
beginning with the character/string (if available) are displayed on your terminal. For example:
<Sysname> display v?
version
vlan
voice
3) Enter the first several characters of a keyword of a command and then press <Tab>. If there is a
unique keyword beginning with the characters just typed, the unique keyword is displayed in its
complete form. If there are multiple keywords beginning with the characters, you can have them
displayed one by one (in complete form) by pressing <Tab> repeatedly.
Terminal Display
The CLI provides the screen splitting feature to have display output suspended when the screen is full.
When display output pauses, you can perform the following operations as needed (see
Table 5-2).
Table 5-2 Display-related operations
Operation Function
Press <Ctrl+C>
Stop the display output and execution of
the command.
Press any character except <Space>, <Enter>, /, +, and
- when the display output pauses
Stop the display output.
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