UNDO
- Cancels (undoes) the most recently performed command or object edit during drawing work.

1. Undoing an Operation Demo Video
Section titled “1. Undoing an Operation Demo Video”1) Run the “UNDO” or “U” command, or press the CTRL+Z shortcut.
2) The last command or object edit performed is undone.
3) Running it multiple times undoes that many operations in reverse order.
2. Using Options
Section titled “2. Using Options”- After running the UNDO command, you can select the following options
1) Control
- Controls how UNDO behaves.
- None: Disables all UNDO functionality
- All: Enables full UNDO capability
- One: Allows only the most recent command to be undone.
2) Number
- Specify the number of operations to undo, as a number.
Example:UNDO 3→ Undoes the last 3 operations.
3) Auto
- Automatically sets the UNDO starting point after each command is run.
4) Begin / End
BEGIN: Starts an UNDO group.END: Ends an UNDO group.- Allows multiple grouped operations to be undone at once.
5) Mark / Back
MARK: Places a marker to return to at a later point.BACK: Undoes back to the MARK point.