There are several additional CLI commands for command line completions, insta-help, and VTY session management.
Interrupt current input and moves to the next line.
End current configuration session and move to top node.
Move down to next line in the history buffer.
Move up to previous line in the history buffer.
Use command line completion by typing TAB.
You can use command line help by typing
help at the beginning of
the line. Typing ? at any point in the line will show possible
To enter an actual ? character rather show completions, e.g. to enter into a regexp, use C-v ?.