# Tools [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [User Guide](Help%20System/GSTARCAD/2018/User%20Guide/(User%20Guide).md) → [Express tool](Help%20System/GSTARCAD/2018/User%20Guide/Express%20tool/(Express%20tool).md) - [Command Alias](Help%20System/GSTARCAD/2018/User%20Guide/Express%20tool/Tools/Command%20Alias.md) - [System Variable Editor](Help%20System/GSTARCAD/2018/User%20Guide/Express%20tool/Tools/System%20Variable%20Editor.md) - [Make Linetype](Help%20System/GSTARCAD/2018/User%20Guide/Express%20tool/Tools/Make%20Linetype.md) - [Attach Xdata](Help%20System/GSTARCAD/2018/User%20Guide/Express%20tool/Tools/Attach%20Xdata.md) - [List Object Xdata](Help%20System/GSTARCAD/2018/User%20Guide/Express%20tool/Tools/List%20Object%20Xdata.md) --- Gstarsoft Co.,Ltd