# UCAMAN [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [Commands](Help%20System/GSTARCAD/2020/Commands/(Commands).md) → [U](Help%20System/GSTARCAD/2020/Commands/U/(U).md) The UCSMAN command is used to manage the UCS definition. **Command Access:** > **Ribbon:** View \> Ordinate \> UCSMAN > **Menu:** Tools \> Named UCS > ... > **Command:** UCSMAN Function Description: ![](Help%20System/GSTARCAD/2020/assets/GCAD_GCR/images/UCSMAN-1.png) ## Other versions with matching text [GstarCAD 2016](../../../2016/Commands/U/UCAMAN--d5cf3c75c60f.md) · [GstarCAD 2017](../../../2017/Commands/U/UCAMAN--d5cf3c75c60f.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/Commands/U/UCAMAN--d5cf3c75c60f.md) · [GstarCAD 2019](../../../2019/Commands/U/UCAMAN--d5cf3c75c60f.md)