# ACADPREFIX System Variable [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [A](Help%20System/GSTARCAD/2021/System%20Variables/A/(A).md) | | | | --- | --- | | Type | String | | Saved in | Not-saved | | Initial value | Pathname | Stores the directory path, if any, specified by the GstarCADenvironment variable, with path separators appended if necessary. --- ## Other versions with matching text [GstarCAD 8 (2013–2014)](../../../2013/System%20Variables/A/ACADPREFIX%20System%20Variable.md) · [GstarCAD 2015](../../../2015/System%20Variables/A/ACADPREFIX%20System%20Variable.md) · [GstarCAD 2016](../../../2016/System%20Variables/A/ACADPREFIX%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/A/ACADPREFIX%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/A/ACADPREFIX%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/A/ACADPREFIX%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/A/ACADPREFIX%20System%20Variable.md)