It redoes one command (operation) to have returned immediately forward.

TOOL

When starting this command, the command which was starting before it is automatically ended. A procedure is shownbelow. It is copied by command starting after object selection. (refer to The way of choosing object) The copied object
can be stuck on arbitrary positions with [Paste] command.
Since the copied object is outputted to a permanent residence file (common use) and is held, the time of starting, and even when JCAD3 is started separately, the same data can be pasted next time.
The object with which the [Copy] command copied after the copy is held. The [Cut] command is used when not holding.