UNDO command

Undoes one or more commands.

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Description

Undoes one or more commands. BricsCAD reports the commands being undone.

Note: Some commands cannot be undone.

Options within the command

Number of steps to undo: Specifies the number of commands to undo by entering a number.

Mark: Sets a marker.

Back to mark: Undoes all commends back to when marker was set.

BEgin set: Sets the start to a group that groups the following commands. The Undo commands treats the commands in the set as a single undo.

End set: Ends the group of commands.

Control: Specifies several options.

None: Turns off the undo mechanism.; Note: This is useful when disk space is running low, cause the undo mechanism uses disk space.

One: Limits this command to a single undo. The Undo command is turned into the U command.

All: Turns on the Undo mechanism.

Auto: Considers all commands executed by a macro as a single undo.