# X [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [System Variables](Help%20System/GSTARCAD/2018/System%20Variables/(System%20Variables).md) ## Topics - [System variable with X letter](Help%20System/GSTARCAD/2018/System%20Variables/X/System%20variable%20with%20X%20letter.md) - [XCLIPFRAME System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XCLIPFRAME%20System%20Variable.md) - [XDWGFADECTL System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XDWGFADECTL%20System%20Variable.md) - [XEDIT System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XEDIT%20System%20Variable.md) - [XFADECTL System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XFADECTL%20System%20Variable.md) - [XLOADCTL System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XLOADCTL%20System%20Variable.md) - [XLOADPATH System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XLOADPATH%20System%20Variable.md) - [XNOTIFYTIME System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XNOTIFYTIME%20System%20Variable.md) - [XREFCTL System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XREFCTL%20System%20Variable.md) - [XREFNOTIFY System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XREFNOTIFY%20System%20Variable.md) - [XREFTYPE System Variable](Help%20System/GSTARCAD/2018/System%20Variables/X/XREFTYPE%20System%20Variable.md)