# Commands about Linetypes [GstarCAD 2025](Help%20System/GSTARCAD/2025/Index.md) → [Commands](Help%20System/GSTARCAD/2025/Commands/(Commands).md) **Commands：** - [LINETYPE](Help%20System/GSTARCAD/2025/Commands/LINETYPE.md) - [LTSCALE](Help%20System/GSTARCAD/2025/Commands/LTSCALE.md) - [PURGE](Help%20System/GSTARCAD/2025/Commands/PURGE.md) - [RENAME](Help%20System/GSTARCAD/2025/Commands/RENAME.md) - [REVERSE](Help%20System/GSTARCAD/2025/Commands/REVERSE.md) - [SETBYLAYER](Help%20System/GSTARCAD/2025/Commands/SETBYLAYER.md) **System Variables：** - [CELTSCALE](../System%20Variables/CELTSCALE.md) - [CELTYPE](../System%20Variables/CELTYPE.md) - [EXTNAMES](Help%20System/GSTARCAD/2025/System%20Variables/EXTNAMES.md) - [LTSCALE](Help%20System/GSTARCAD/2025/System%20Variables/LTSCALE.md) - [MEASUREINIT](Help%20System/GSTARCAD/2025/System%20Variables/MEASUREINIT.md) - [MEASUREMENT](Help%20System/GSTARCAD/2025/System%20Variables/MEASUREMENT.md) - [MSLTSCALE](Help%20System/GSTARCAD/2025/System%20Variables/MSLTSCALE.md) - [PLINEGEN](Help%20System/GSTARCAD/2025/System%20Variables/PLINEGEN.md) - [PSLTSCALE](Help%20System/GSTARCAD/2025/System%20Variables/PSLTSCALE.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2025_en-US/detail/commandReferences/Commands%20about%20Linetypes.html) · © Gstarsoft Co., Ltd.