# Commands about Layout Viewports [GstarCAD 2025](Help%20System/GSTARCAD/2025/Index.md) → [Commands](Help%20System/GSTARCAD/2025/Commands/(Commands).md) → [Command Groups](Help%20System/GSTARCAD/2025/Commands/00%20Command%20Groups/(Command%20Groups).md) **Commands：** - [MVIEW](Help%20System/GSTARCAD/2025/Commands/M/MVIEW.md) - [MVSETUP](Help%20System/GSTARCAD/2025/Commands/M/MVSETUP.md) - [SCALELISTEDIT](Help%20System/GSTARCAD/2025/Commands/S/SCALELISTEDIT.md) - [VPCLIP](Help%20System/GSTARCAD/2025/Commands/V/VPCLIP.md) - [VPLAYER](Help%20System/GSTARCAD/2025/Commands/V/VPLAYER.md) - [VPMAX](Help%20System/GSTARCAD/2025/Commands/V/VPMAX.md) - [VPMIN](Help%20System/GSTARCAD/2025/Commands/V/VPMIN.md) - [VPORTS](Help%20System/GSTARCAD/2025/Commands/V/VPORTS--d7100c3160.md) - [ZOOM](Help%20System/GSTARCAD/2025/Commands/Z/ZOOM.md) **System Variables：** - [EXTNAMES](Help%20System/GSTARCAD/2025/System%20Variables/E/EXTNAMES.md) - [MAXACTVP](Help%20System/GSTARCAD/2025/System%20Variables/M/MAXACTVP.md) - [PSLTSCALE](Help%20System/GSTARCAD/2025/System%20Variables/P/PSLTSCALE.md) - [PSVPSCALE](Help%20System/GSTARCAD/2025/System%20Variables/P/PSVPSCALE.md) - [SPACESWITCH](Help%20System/GSTARCAD/2025/System%20Variables/S/SPACESWITCH.md) - [UCSVP](Help%20System/GSTARCAD/2025/System%20Variables/U/UCSVP.md) - [VIEWTWIST](Help%20System/GSTARCAD/2025/System%20Variables/V/VIEWTWIST.md) - [VPROTATEASSOC](Help%20System/GSTARCAD/2025/System%20Variables/V/VPROTATEASSOC.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2025_en-US/detail/commandReferences/Commands%20about%20Layout%20Viewports.html) · © Gstarsoft Co., Ltd.