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The UNDO command is used to give up the effect of operations. Command Access: Command : UNDO Command Prompts: Enter the number of operations to undo or [Auto/Control/BEgin/End/Mark/Back]<1>: Function Description: In the command prompt line, it... Read More

Function Description: The UNDOMARKS system variable is used to display the mark number placed in UNDO control stream.(Read-Only) Type : Integer Saved in :Not saved Initial value : 0 If one group is currently active, the Mark and Back options are... Read More

Function Description: The UNDOCTL system variable is used to display options used in UNDO command.(Read-Only) Type : Integer Saved in : Not saved Initial value : 53 The setting is stored as a bitcode using the sum of listed system variable values.... Read More

The REDO command is used to restore last action that quits by UNDO or U command. Command Access: Menu : Edit > RedoCommand : REDOShortcut : right-click and select REDO Function Description: This command could restore just one action that quitted... Read More

The MREDO command is used restore several actions executed by UNDO or U command. Command Access: Command : MREDOShortcut : CTRL+Y Command Prompts: Enter number of actions or [All/Last]: Relative Glossary: Number of actions : Restore actions of... Read More

This enhanced version of the OFFSET command offers several advantages over the standard command, including layer control, undo, and a multiple option. Menu : Express tools>Modify>Extended Offset Command Entry : EXOFFSET Specify offset distance... Read More