COPY

Copy a single line:
%C

Copy this line and the next n-1 lines:
%Cn

Copy a block of lines:
%CB (on the first line of the block)
%CE (on the last line of the block)

You follow a COPY command with an AFTER or BEFORE command.

DELETE

Delete a single line:
%D

Delete this line and the next n-1 lines:
%Dn

Delete a block of lines:
%DB (on the first line of the block)
%DE (on the last line of the block)

MOVE

Move a single line:
%M

Move this line and the next n-1 lines:
%Mn

Move a block of lines:
%MB (on the first line of the block)
%ME (on the last line of the block)

You follow a MOVE command with an AFTER or BEFORE command.

REPEAT

Repeat a single line:
%R

Repeat this line and the next n-1 lines:
%Rn

Repeat a block of lines:
%RB (on the first line of the block)
%RE (on the last line of the block)

AFTER

Place a COPY or MOVE block after the line on which this command is placed:
%A

BEFORE

Place a COPY or MOVE block before the line on which this command is placed:
%B

TOP

Reposition the work file so that the line on which the command appears becomes the top line on the screen:
%T