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Use up arrow to recall previous commands (if this is a multiline command, then you can press F8 in order to expand it) from command history (commands that added sensitive data, like passwords, will not be available in the history), TAB key to automatically complete words in the command you are typing, ENTER key to execute the command, Control-C to interrupt currently running command and return to prompt and ? to display built-in help, in RouterOS v7, F1 has to be used instead.
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