“hide” turns of atom and bond representations.

hide [ representation [, selection ]]

representation = lines, spheres, mesh, ribbon, cartoon, sticks, dots, surface, labels, extent, nonbonded, nb_spheres, slice, extent, slice, dashes, angles, dihedrals, cgo, cell, callback, or everything

selection = string: a selection-expression or name-pattern

hide lines, all 
hide ribbon 

show | enable | disable | cmd.hide | commands

Core Commands, Representations, Atom Selections