# U [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) ## Topics - **UCSAXISANG System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSAXISANG%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSAXISANG%20System%20Variable.md) - **UCSBASE System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSBASE%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSBASE%20System%20Variable.md) - **UCSDETECT System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSDETECT%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSDETECT%20System%20Variable.md) - **UCSFOLLOW System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSFOLLOW%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSFOLLOW%20System%20Variable.md) - **UCSICON System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSICON%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSICON%20System%20Variable.md) - **UCSNAME System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSNAME%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSNAME%20System%20Variable.md) - **UCSORG System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSORG%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSORG%20System%20Variable.md) - **UCSORTHO System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSORTHO%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSORTHO%20System%20Variable.md) - **UCSVIEW System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSVIEW%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSVIEW%20System%20Variable.md) - **UCSVP System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSVP%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSVP%20System%20Variable.md) - **UCSXDIR System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSXDIR%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSXDIR%20System%20Variable.md) - **UCSYDIR System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSYDIR%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UCSYDIR%20System%20Variable.md) - **UNDOCTL System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UNDOCTL%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UNDOCTL%20System%20Variable.md) - **UNDOMARKS System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UNDOMARKS%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UNDOMARKS%20System%20Variable.md) - **UNITMODE System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UNITMODE%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UNITMODE%20System%20Variable.md) - **UOSNAP System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UOSNAP%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UOSNAP%20System%20Variable.md) - [UPDATEOLEPATHBYFOLDER System Variable](Help%20System/GSTARCAD/2027/System%20Variables/U/UPDATEOLEPATHBYFOLDER%20System%20Variable.md) - **UPDATETHUMBNAIL System Variable** — [General reference](Help%20System/GSTARCAD/2027/System%20Variables/UPDATETHUMBNAIL%20System%20Variable.md) · [Alphabetical reference](Help%20System/GSTARCAD/2027/System%20Variables/UPDATETHUMBNAIL%20System%20Variable.md) [Original category](https://www.gstarcad.net/help/GstarCAD_2027_en-US/menu/systemVariables_Ugsv.html)