# Command Alias Command [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [Commands](Help%20System/GSTARCAD/2021/Commands/(Commands).md) → [A](Help%20System/GSTARCAD/2021/Commands/A/(A).md) ### Command Alias This function allows users to add, modify, delete command alias and shell commands. **Menu****:** Express tools\>Tools\>Command Alias **Command Entry:**ALIASEDIT **Operation steps**: 1.Start the command and a dialog box will pop up.  2.Select commands to be deleted and click "Remove" button to delete command alias. 3.Select the command to be modified and click "Edit" button, a dialog box will pop up.  4.Click "OK" to finish editing. --- Gstarsoft Co.,Ltd