# LAYON Command [GstarCAD 2019](Help%20System/GSTARCAD/2019/Index.md) → [Commands](Help%20System/GSTARCAD/2019/Commands/(Commands).md) → [L](Help%20System/GSTARCAD/2019/Commands/L/(L).md) The LAYON command is used to turn on all layers. ## Command Access: > **Ribbon:** Home \> Layer \> LAYON **Menu:** Format \> Layer Tools \> Turn All Layers On **Command:** LAYON ## Command Prompts: > All layers have been turned on. ## Function Description: This command could turn on all layers and they could be visible except for frozen ones. ## Other versions with matching text [GstarCAD 2016](../../../2016/Commands/L/LAYON%20Command.md) · [GstarCAD 2017](../../../2017/Commands/L/LAYON%20Command.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/Commands/L/LAYON%20Command.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/Commands/L/LAYON%20Command.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/Commands/L/LAYON%20Command.md)