Command Line Interface Reference Guide > Menu Basics > Command Line History and Editing
Command Line History and Editing
You can retrieve and modify previously entered commands using commands or Crtl key sequences.
 
Command Line History and Editing Options 
Option
Description
history
Displays a numbered list of the last 100 previously entered commands.
!!
Repeats the last command.
!n
Repeats the nth command shown on the history list.
Ctrl+P
or
up arrow
Recalls the previous command from the history list. This can be used multiple times to work backward through the last 10 commands. The recalled command can be entered as is, or edited using the editing options listed in this table.
Ctrl+N
or
down arrow
Recalls the next command from the history list. This can be used multiple times to work forward through the last 10 commands. The recalled command can be entered as is, or edited using the editing options listed in this table.
Ctrl+A
Moves the cursor to the beginning of command line.
Ctrl+E
Moves the cursor to the end of the command line.
Ctrl+B
or
left arrow key
Moves the cursor back one position to the left.
Ctrl+F
or
right arrow key
Moves the cursor forward one position to the right.
Backspace
or
Delete key
Erases one character to the left of the cursor position.
Ctrl+D
Deletes one character at the cursor position.
Ctrl+K
Kills (erases) all characters from the cursor position to the end of the command line.
Ctrl+L
Redraws the screen.
Ctrl+U
Clears the entire line.
Other keys
Inserts new characters at the cursor position.