Use many different commands on the same entities.
1 Perform the first edit command, selecting entities in the usual way.
2 When it's finished (after you've selected Do it), select a new edit command.
3 Right click then select Prior.
4 All the entities you selected before have been selected again.
5 Select Do it to complete the editing command.
6 If you want to do more editing, repeat from step two.
Note: When you copy.Prior selects the entities you've copied, not the original entities
Note: You can also use Prior after a Trim or Single edit command- it will select any entities you changed.