# C Command [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [Commands](Help%20System/GSTARCAD/2020/Commands/(Commands).md) → [C](Help%20System/GSTARCAD/2020/Commands/C/(C).md) - [CAL](Help%20System/GSTARCAD/2020/Commands/C/CAL%20Command.md "CAL") - [CHAMFER](Help%20System/GSTARCAD/2020/Commands/C/CHAMFER%20Command.md "CHAMFER") - [CHANGE](Help%20System/GSTARCAD/2020/Commands/C/CHANGE%20Command.md "CHANGE") - [CHPROP](Help%20System/GSTARCAD/2020/Commands/C/CHPROP%20Command.md "CHPROP") - [CHSPACE](Help%20System/GSTARCAD/2020/Commands/C/CHSPACE%20Command.md "CHSPACE") - [CIRCLE](Help%20System/GSTARCAD/2020/Commands/C/CIRCLE%20Command.md "CIRCLE") - [CLEANSCREENOFF](Help%20System/GSTARCAD/2020/Commands/C/CLEANSCREENOFF%20Command.md "CLEANSCREENOFF") - [CLEANSCREENON](Help%20System/GSTARCAD/2020/Commands/C/CLEANSCREENON%20Command.md "CLEANSCREENON") - [CLOSE](Help%20System/GSTARCAD/2020/Commands/C/CLOSE%20Command.md "CLOSE") - [CLOSEALL](Help%20System/GSTARCAD/2020/Commands/C/CLOSEALL%20Command.md "CLOSEALL") - [COLOR](Help%20System/GSTARCAD/2020/Commands/C/COLOR%20Command.md "COLOR") - [COMMANDLINE](Help%20System/GSTARCAD/2020/Commands/C/COMMANDLINE%20Command.md "COMMANDLINE") - [COMMANDLINEHIDE](Help%20System/GSTARCAD/2020/Commands/C/COMMANDLINEHIDE%20Command.md "COMMANDLINEHIDE") - [CONE](Help%20System/GSTARCAD/2020/Commands/C/CONE%20Command.md "CONE") - [CONVERT](Help%20System/GSTARCAD/2020/Commands/C/CONVERT%20Command.md "CONVERT") - [CONVERTOLDLIGHTS](Help%20System/GSTARCAD/2020/Commands/C/CONVERTOLDLIGHTS%20Command.md "CONVERTOLDLIGHTS") - [CONVERTOLDMATERIALS](Help%20System/GSTARCAD/2020/Commands/C/CONVERTOLDMATERIALS%20Command.md "CONVERTOLDMATERIALS") - [CONVERTPSTYLES](Help%20System/GSTARCAD/2020/Commands/C/CONVERTPSTYLES%20Command.md "CONVERTPSTYLES") - [COPY](Help%20System/GSTARCAD/2020/Commands/C/COPY%20Command.md "COPY") - [COPYBASE](Help%20System/GSTARCAD/2020/Commands/C/COPYBASE%20Command.md "COPYBASE") - [COPYCLIP](Help%20System/GSTARCAD/2020/Commands/C/COPYCLIP%20Command.md "COPYCLIP") - [COPYHIST](Help%20System/GSTARCAD/2020/Commands/C/COPYHIST%20Command.md "COPYHIST") - [COPYLINK](Help%20System/GSTARCAD/2020/Commands/C/COPYLINK%20Command.md "COPYLINK") - [COPYTOLAYER](Help%20System/GSTARCAD/2020/Commands/C/COPYTOLAYER%20Command.md "COPYTOLAYER") - [CUI](Help%20System/GSTARCAD/2020/Commands/C/CUI%20Command.md "CUI") - [CUIEXPORT](Help%20System/GSTARCAD/2020/Commands/C/CUIEXPORT%20Command.md "CUIEXPORT") - [CUIIMPORT](Help%20System/GSTARCAD/2020/Commands/C/CUIIMPORT%20Command.md "CUIIMPORT") - [CUILOAD](Help%20System/GSTARCAD/2020/Commands/C/CUILOAD%20Command.md "CUILOAD") - [CUTCLIP](Help%20System/GSTARCAD/2020/Commands/C/CUTCLIP%20Command.md "CUTCLIP") - [CYLINDER](Help%20System/GSTARCAD/2020/Commands/C/CYLINDER%20Command.md "CYLINDER") ---