# GC_BOOLOP Command [GstarCAD 2025](Help%20System/GSTARCAD/2025/Index.md) → [Commands](Help%20System/GSTARCAD/2025/Commands/(Commands).md) → [G](Help%20System/GSTARCAD/2025/Commands/G/(G).md) ## Function Description: This command includes UNION, SUBTRACT and INTERSECT. The Boolean Operation Option dialog box is displayed as shown below. ## Command Access: > **Icon:**  > **Menu:** Modify > Pline Boolean > **Ribbon:** Home > Modify > Boolean > **Toolbar:** / > **Command:** GC\_BOOLOP > **Alias:** / **Command Prompts: /** --- **Related Tasks：** - [To Work with GC\_BOOLOP](Help%20System/GSTARCAD/2025/Commands/01%20Procedures/To%20Work%20with%20GC_BOOLOP.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2025_en-US/detail/commandReferences_G/GC_BOOLOP.html) · © Gstarsoft Co., Ltd.