# Commands about Linetypes [GstarCAD 2023](Help%20System/GSTARCAD/2023/Index.md) → [Commands](Help%20System/GSTARCAD/2023/Commands/(Commands).md) **Commands：** - [LINETYPE](Help%20System/GSTARCAD/2023/Commands/LINETYPE.md) - [LTSCALE](Help%20System/GSTARCAD/2023/Commands/LTSCALE.md) - [PURGE](Help%20System/GSTARCAD/2023/Commands/PURGE.md) - [RENAME](Help%20System/GSTARCAD/2023/Commands/RENAME.md) - [REVERSE](Help%20System/GSTARCAD/2023/Commands/REVERSE.md) - [SETBYLAYER](Help%20System/GSTARCAD/2023/Commands/SETBYLAYER.md) **System Variables：** - [CELTSCALE](Help%20System/GSTARCAD/2023/System%20Variables/CELTSCALE.md) - [CELTYPE](Help%20System/GSTARCAD/2023/System%20Variables/CELTYPE.md) - [EXTNAMES](Help%20System/GSTARCAD/2023/System%20Variables/EXTNAMES.md) - [LTSCALE](../System%20Variables/LTSCALE.md) - [MEASUREINIT](../System%20Variables/MEASUREINIT.md) - [MEASUREMENT](../System%20Variables/MEASUREMENT.md) - [MSLTSCALE](../System%20Variables/MSLTSCALE.md) - [PLINEGEN](../System%20Variables/PLINEGEN.md) - [PSLTSCALE](../System%20Variables/PSLTSCALE.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2023_en-US/detail/commandReferences/Commands%20about%20Linetypes.html) · © Gstarsoft Co., Ltd.