# Commands about Using Drawings in Different Versions and Applications [GstarCAD 2025](Help%20System/GSTARCAD/2025/Index.md) → [Commands](Help%20System/GSTARCAD/2025/Commands/(Commands).md) **Commands：** - [CONVERT](Help%20System/GSTARCAD/2025/Commands/CONVERT.md) - [CONVERTOLDLIGHTS](Help%20System/GSTARCAD/2025/Commands/CONVERTOLDLIGHTS.md) - [OPTIONS](Help%20System/GSTARCAD/2025/Commands/OPTIONS.md) - [QSAVE](Help%20System/GSTARCAD/2025/Commands/QSAVE.md) - [SAVEAS](Help%20System/GSTARCAD/2025/Commands/SAVEAS.md) - [SHADEMODE](Help%20System/GSTARCAD/2025/Commands/SHADEMODE.md) **System Variables：** - [PERSPECTIVE](Help%20System/GSTARCAD/2025/System%20Variables/PERSPECTIVE.md) - [PLINETYPE](Help%20System/GSTARCAD/2025/System%20Variables/PLINETYPE.md) - [PROXYGRAPHICS](Help%20System/GSTARCAD/2025/System%20Variables/PROXYGRAPHICS.md) - [PROXYNOTICE](Help%20System/GSTARCAD/2025/System%20Variables/PROXYNOTICE.md) - [PROXYSHOW](Help%20System/GSTARCAD/2025/System%20Variables/PROXYSHOW.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2025_en-US/detail/commandReferences/Commands%20about%20Using%20Drawings%20in%20Different%20Versions%20and%20Applications.html) · © Gstarsoft Co., Ltd.