Enter a command and a ? separated by a space. If ? is at the position of a keyword, all the
keywords are given with a brief description.
<Sysname> terminal ?
Send debug information to terminal
Send log information to terminal
Send information output to current terminal
Send trap information to terminal
Enter a command and a ? separated by a space. If ? is at the position of a parameter, the
description about this parameter is given.
[Sysname] interface vlan-interface ?
VLAN interface number
[Sysname] interface vlan-interface 1 ?
[Sysname] interface vlan-interface 1
Where, <cr> indicates that there is no parameter at this position. The command is then repeated in the
next command line and executed if you press Enter.
Enter a character string followed by a ?. All the commands starting with this string are displayed.
Enter a command followed by a character string and a ?. All the keywords starting with this string
<Sysname> display ver?
Press Tab after entering the first several letters of a keyword to display the complete keyword,
provided these letters can uniquely identify the keyword in this command. If several matches are
found, the complete keyword which is matched first is displayed (the matching rule is: the letters
next to the input letters are arranged in alphabetic order, and the letter in the first place is matched
first.). If you repeatedly press Tab, all the keywords starting with the letter that you enter are
displayed in cycles.
Synchronous Information Output
Synchronous information output refers to the feature that if the user's input is interrupted by system
output, then after the completion of system output the system will display a command line prompt and
your input so far, and you can continue your operations from where you were stopped.
Change current directory
Specify the system clock
Run cluster command
Copy from one file to another
Enable system debugging functions
Delete a file
List files on a file system
Show running system information