# DIMAPOST System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2020/System%20Variables/D/(D).md) **Function Description:** The DIMAPOST system variable is used to specify the text prefixes and suffixes of alternate units dimensions for all dimensions (except angular dimensions). | | | | --- | --- | | Type | Strings | | Saved in | Drawing | | Initial value | "" | Users could set the DIMAPOST system variable to be a Period "." to turn off a set prefix or suffix (or both. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/D/DIMAPOST%20System%20Variable--732fadd73467.md) · [GstarCAD 2017](../../../2017/System%20Variables/D/DIMAPOST%20System%20Variable--732fadd73467.md) · [GstarCAD 2018](../../../2018/System%20Variables/D/DIMAPOST%20System%20Variable--732fadd73467.md) · [GstarCAD 2019](../../../2019/System%20Variables/D/DIMAPOST%20System%20Variable--732fadd73467.md) · [GstarCAD 2021](../../../2021/System%20Variables/D/DIMAPOST%20System%20Variable--732fadd73467.md)