You’ll be lot faster and efficient with Cisco iOS commands If you know a few shortcuts.
Ctrl+P or Up arrow – Previous command
Ctrl+N or Down arrow – Next command
show history – Shows last 10 commands entered by default
show terminal – Shows terminal configurations and history buffer size
terminal history size – Changes buffer size (the maximum is 256)
Ctrl+A – Move cursor to the beginning of the line
Ctrl+E – Move cursor to the end of the line
Esc+B – Move back one word
Ctrl+B – Move back cursor
Ctrl+F – Move forward cursor
Esc+F – Move forward one word
Ctrl+D (or Backspace) – Deletes a single character
Esc+D – Delete from Cursor to end of word
Ctrl+R – Redisplays a line
Ctrl+U – Erases a line
Ctrl+W – Erases a word
Ctrl+Z – Ends configuration mode and returns to EXEC mode
Ctrl+C – Exit Config mode
Tab – Finishes typing a command
Router#? – Shows all available commands in current mode
Router#t? – Shows all available commands beginning with the letter t
Router#telnet ? – Shows all available options for the telnet command