# Commands about the UCS [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [Command Groups](Help%20System/GSTARCAD/2027/Commands/00%20Command%20Groups/(Command%20Groups).md) **Commands：** - [PLAN (GstarCAD 2026)](../../../2026/Commands/P/PLAN.md) - [UCS (GstarCAD 2026)](../../../2026/Commands/U/UCS.md) - [UCSICON (GstarCAD 2026)](../../../2026/Commands/U/UCSICON.md) - [UCSMAN (GstarCAD 2026)](../../../2026/Commands/U/UCSMAN.md) **System Variables：** - [ELEVATION (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/E/ELEVATION.md) - [EXTNAMES (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/E/EXTNAMES.md) - [PUCSBASE (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/P/PUCSBASE.md) - [UCSAXISANG (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSAXISANG.md) - [UCSBASE (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSBASE.md) - [UCSDETECT (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSDETECT.md) - [UCSFOLLOW (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSFOLLOW.md) - [UCSICON (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSICON.md) - [UCSNAME (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSNAME.md) - [UCSORG (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSORG.md) - [UCSORTHO (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSORTHO.md) - [UCSVIEW (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSVIEW.md) - [UCSVP (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSVP.md) - [UCSXDIR (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSXDIR.md) - [UCSYDIR (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/U/UCSYDIR.md) - [WORLDUCS (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/W/WORLDUCS.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/Commands%20about%20the%20UCS.html) · © Gstarsoft Co., Ltd.