# PLOTCMDCOMPATIBILITY System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) → [P](Help%20System/GSTARCAD/2026/System%20Variables/P/(P).md) ## Function Description: The PLOTCMDCOMPATIBILITY system variable is used to control whether to change the PLOT and -PLOT commands from MODAL mode to SESSION mode. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 0 | | Range | 0/1 | ## System Variable Value: **0:** All behaviors are consistent with the default scenario. **1:** Change the PLOT and -PLOT commands from MODAL mode to SESSION mode, executing all behaviors in the interface fiber to ensure hardware layer access within the same stack. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables_Pgsv/PLOTCMDCOMPATIBILITY.html) · © Gstarsoft Co., Ltd.