# Commands about Customizing the Drawing Environment [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：** - [APERTURE](Help%20System/GSTARCAD/2023/Commands/A/APERTURE.md) - [CLEANSCREENOFF](Help%20System/GSTARCAD/2023/Commands/C/CLEANSCREENOFF.md) - [CLEANSCREENON](Help%20System/GSTARCAD/2023/Commands/C/CLEANSCREENON.md) - [CUI](Help%20System/GSTARCAD/2023/Commands/C/CUI.md) - [DRAGMODE](Help%20System/GSTARCAD/2023/Commands/D/DRAGMODE.md) - [OPTIONS](Help%20System/GSTARCAD/2023/Commands/O/OPTIONS.md) - [REDEFINE](Help%20System/GSTARCAD/2023/Commands/R/REDEFINE.md) - [TOOLBAR](Help%20System/GSTARCAD/2023/Commands/T/TOOLBAR.md) - [UCSICON](Help%20System/GSTARCAD/2023/Commands/U/UCSICON.md) - [VIEWRES](Help%20System/GSTARCAD/2023/Commands/V/VIEWRES.md) - [WORKSPACE](Help%20System/GSTARCAD/2023/Commands/W/WORKSPACE.md) - [WSSAVE](Help%20System/GSTARCAD/2023/Commands/W/WSSAVE.md) - [WSSETTINGS](Help%20System/GSTARCAD/2023/Commands/W/WSSETTINGS.md) **System Variables：** - [APERTURE](Help%20System/GSTARCAD/2023/System%20Variables/A/APERTURE.md) - [APPLYGLOBALOPACITIES](Help%20System/GSTARCAD/2023/System%20Variables/A/APPLYGLOBALOPACITIES.md) - [CALCINPUT](Help%20System/GSTARCAD/2023/System%20Variables/C/CALCINPUT.md) - [CLEANSCREENSTATE](Help%20System/GSTARCAD/2023/System%20Variables/C/CLEANSCREENSTATE.md) - [CPROFILE](Help%20System/GSTARCAD/2023/System%20Variables/C/CPROFILE.md) - [CURSORSIZE](Help%20System/GSTARCAD/2023/System%20Variables/C/CURSORSIZE.md) - [DBLCLKEDIT](Help%20System/GSTARCAD/2023/System%20Variables/D/DBLCLKEDIT.md) - [DCTCUST](Help%20System/GSTARCAD/2023/System%20Variables/D/DCTCUST.md) - [DCTMAIN](Help%20System/GSTARCAD/2023/System%20Variables/D/DCTMAIN.md) - [DEFLPLSTYLE](Help%20System/GSTARCAD/2023/System%20Variables/D/DEFLPLSTYLE.md) - [DEFPLSTYLE](Help%20System/GSTARCAD/2023/System%20Variables/D/DEFPLSTYLE.md) - [DIASTAT](Help%20System/GSTARCAD/2023/System%20Variables/D/DIASTAT.md) - [DRAGMODE](Help%20System/GSTARCAD/2023/System%20Variables/D/DRAGMODE.md) - [DRAGP1](Help%20System/GSTARCAD/2023/System%20Variables/D/DRAGP1.md) - [DRAGP2](Help%20System/GSTARCAD/2023/System%20Variables/D/DRAGP2.md) - [EXTNAMES](Help%20System/GSTARCAD/2023/System%20Variables/E/EXTNAMES.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2023_en-US/detail/commandReferences/Commands%20about%20Customizing%20the%20Drawing%20Environment.html) · © Gstarsoft Co., Ltd.