Changing grid in Plots.jl?

This works:

julia> plot(0:0.1:1, 0:0.1:1, xticks=[0,0.5,1], yticks=[0,0.5,1])

also have a look through these attributes:
http://docs.juliaplots.org/latest/generated/attributes_axis/
searching for “ticks” and “grid”.