The following illustration shows the ABAP Editor in command mode:
Editor Commands
You can enter commands in the command line. These commands apply to the entire editor. If you position the cursor in the header line and press F1, the system displays a complete list of command line commands.
Commands that affect single lines or a block of lines can be entered in the line number field. If you position the cursor in a line number field and press F1, the system displays a complete list of line commands.
Introduction Command Mode 
