# DIMAPOST System Variable
[GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2022/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 can set the DIMAPOST system variable to be a Period "." to turn off a set prefix or suffix (or both.