# GCADPREFIX System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [G](Help%20System/GSTARCAD/2027/System%20Variables/G/(G).md) ## Function Description: The GCADPREFIX system variable is used to save directory path(if exists) specified by GCAD environment variable and attached with path separator if necessary. (Read only) | | | | --- | --- | | Type | Strings | | Saved in | Not saved | | Initial value | Unknown | --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Ggsv/GCADPREFIX.html) · © Gstarsoft Co., Ltd.