Select Similar

Select objects - Right-click - Select Similar

Select an object and automatically include all other objects of the same type and with the same properties

Setting
Enter SELECTSIMILAR at the command line

Layer is enabled
select a circle, AutoCAD selects all circles on the same layer

select two circles, each on different layers, AutoCAD selects all the circles on both layers

select a circle and a line, AutoCAD selects all the circles and line on the same layer



Layer & Linetype are enabled

only the circles on the same layer and with the same linetype