H3C Technologies H3C S3100 Series Switches - Manual (Page 28)

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Press… To…
Left arrow key or <Ctrl+B> Move the cursor one character to the left.
Right arrow key or <Ctrl+F> Move the cursor one character to the right.
Up arrow key or <Ctrl+P>
Down arrow key or <Ctrl+N>
Display history commands.
<Tab>
Use the partial online help. That is, when you input an
incomplete keyword and press <Tab>, if the input
parameter uniquely identifies a complete keyword, the
system substitutes the complete keyword for the input
parameter; if more than one keywords match the input
parameter, you can display them one by one (in complete
form) by pressing <Tab> repeatedly; if no keyword
matches the input parameter, the system displays your
original input on a new line without any change.