# UCSMAN Command [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) **Function Description:** This command is used to manage the UCS definition. The UCS dialog box is displayed. **Command Access:** > **Icon:** ![](Help%20System/GSTARCAD/2027/assets/b7cebbd2c99edd65328e5be6a46d7f8fee72e346046d92099cd24868c221814d.png) > **Menu:** Tools > Named UCS ... > **Ribbon:** View > Ordinate > UCS Settings > **Toolbar:** UCS Ⅱ > Named UCS ... > **Command:** UCSMAN > **Alias:** UC **Command Prompts: /** ![](Help%20System/GSTARCAD/2027/assets/a7b0ab990bcb0d0b8da5ed9d73f42d1b179c891c608ea4925d8806d804a70a9b.jpg) --- **Related References：** - [Commands about the UCS (GstarCAD 2026)](../../2026/Commands/Commands%20about%20the%20UCS.md) **Related Tasks：** - [To Move the UCS Origin (GstarCAD 2026)](../../2026/Commands/To%20Move%20the%20UCS%20Origin.md) - [To Rotate the UCS About the X , Y , or Z Axis (GstarCAD 2026)](../../2026/Commands/To%20Rotate%20the%20UCS%20About%20the%20X%20%2C%20Y%20%2C%20or%20Z%20Axis.md) - [To Specify a New UCS Orientation With Three Points (GstarCAD 2026)](../../2026/Commands/To%20Specify%20a%20New%20UCS%20Orientation%20With%20Three%20Points.md) - [To Change the Orientation of the Z Axis of the UCS (GstarCAD 2026)](../../2026/Commands/To%20Change%20the%20Orientation%20of%20the%20Z%20Axis%20of%20the%20UCS.md) - [To Restore the Previous UCS (GstarCAD 2026)](../../2026/Commands/To%20Restore%20the%20Previous%20UCS.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/UCSMAN.html) · © Gstarsoft Co., Ltd.