# Commands about the UCS [GstarCAD 2023](Help%20System/GSTARCAD/2023/Index.md) → [Commands](Help%20System/GSTARCAD/2023/Commands/(Commands).md) → [Command Groups](Help%20System/GSTARCAD/2023/Commands/00%20Command%20Groups/(Command%20Groups).md) **Commands：** - [PLAN](Help%20System/GSTARCAD/2023/Commands/P/PLAN.md) - [UCS](Help%20System/GSTARCAD/2023/Commands/U/UCS.md) - [UCSICON](Help%20System/GSTARCAD/2023/Commands/U/UCSICON.md) - [UCSMAN](Help%20System/GSTARCAD/2023/Commands/U/UCSMAN.md) **System Variables：** - [ELEVATION](Help%20System/GSTARCAD/2023/System%20Variables/E/ELEVATION.md) - [EXTNAMES](Help%20System/GSTARCAD/2023/System%20Variables/E/EXTNAMES.md) - [PUCSBASE](Help%20System/GSTARCAD/2023/System%20Variables/P/PUCSBASE.md) - [UCSAXISANG](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSAXISANG.md) - [UCSBASE](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSBASE.md) - [UCSDETECT](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSDETECT.md) - [UCSFOLLOW](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSFOLLOW.md) - [UCSICON](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSICON.md) - [UCSNAME](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSNAME.md) - [UCSORG](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSORG.md) - [UCSORTHO](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSORTHO.md) - [UCSVIEW](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSVIEW.md) - [UCSVP](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSVP.md) - [UCSXDIR](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSXDIR.md) - [UCSYDIR](Help%20System/GSTARCAD/2023/System%20Variables/U/UCSYDIR.md) - [WORLDUCS](Help%20System/GSTARCAD/2023/System%20Variables/W/WORLDUCS.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2023_en-US/detail/commandReferences/Commands%20about%20the%20UCS.html) · © Gstarsoft Co., Ltd.