# B [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) ## Topics - [BACKGROUNDPLOT System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BACKGROUNDPLOT%20System%20Variable.md) - [BACKZ System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BACKZ%20System%20Variable.md) - [BACTIONBARMODE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BACTIONBARMODE%20System%20Variable.md) - [BACTIONCOLOR System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BACTIONCOLOR%20System%20Variable.md) - [BASEFILE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BASEFILE%20System%20Variable.md) - [BDEPENDENCYHIGHLIGHT System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BDEPENDENCYHIGHLIGHT%20System%20Variable.md) - [BGRIPOBJCOLOR System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BGRIPOBJCOLOR%20System%20Variable.md) - [BGRIPOBJSIZE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BGRIPOBJSIZE%20System%20Variable.md) - [BINDTYPE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BINDTYPE%20System%20Variable.md) - [BKGCOLOR System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BKGCOLOR%20System%20Variable.md) - [BLIPMODE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BLIPMODE%20System%20Variable.md) - [BLOCKEDITLOCK System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BLOCKEDITLOCK%20System%20Variable.md) - [BLOCKEDITOR System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BLOCKEDITOR%20System%20Variable.md) - [BPARAMETERCOLOR System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable.md) - [BPARAMETERFONT System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BPARAMETERFONT%20System%20Variable.md) - [BPARAMETERSIZE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BPARAMETERSIZE%20System%20Variable.md) - [BPTEXTHORIZONTAL System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BPTEXTHORIZONTAL%20System%20Variable.md) - [BTMARKDISPLAY System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BTMARKDISPLAY%20System%20Variable.md) - [BVMODE System Variable](Help%20System/GSTARCAD/2020/System%20Variables/B/BVMODE%20System%20Variable.md) - [System variable with B letter](Help%20System/GSTARCAD/2020/System%20Variables/B/System%20variable%20with%20B%20letter.md)