# ACADPREFIX System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) → [A](Help%20System/GSTARCAD/2026/System%20Variables/A/(A).md) ## Function Description: Stores the directory path, if any, specified by the GstarCAD environment variable, with path separators appended if necessary. | | | | --- | --- | | Type | String | | Saved in | Not-saved | | Initial value | Pathname | --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/ACADPREFIX.html) · © Gstarsoft Co., Ltd.