Dell PowerConnect 8024 User Configuration Manual page 114

Table 5-3. History Buffer Navigation
Keyword
Up-arrow key
<Ctrl>+<P>
Down-arrow key
<Ctrl>+<N>
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Using the Command-Line Interface
Source or Destination
Recalls commands in the history buffer, beginning with the most
recent command. Repeats the key sequence to recall successively
older commands.
Returns to more recent commands in the history buffer after
recalling commands with the up-arrow key. Repeating the key
sequence recalls more recent commands in succession.