# DIMAPOST System Variable [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2021/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.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/D/DIMAPOST%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/D/DIMAPOST%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/D/DIMAPOST%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/D/DIMAPOST%20System%20Variable.md)