Set Selected Visible
Change a node's or node group's "Visible" option to "Yes" (shortcut: Ctrl/Cmd + Shift + H).
Set Selected Invisible
Change a node's or node group's "Visible" option to "No" (shortcut: Ctrl/Cmd + H).
Set Selected Bounding Box
Change the node selection's shading mode to "Bounding Box". The shortcut is 7.
Set Selected Wireframe
Change the node selection's shading mode to "Wireframe". The shortcut is 8.
Set Selected Flat Shaded
Change the node selection's shading mode to "Flat Shaded". The shortcut is 9.
Set Selected Smooth Shaded
Change the node selection's shading mode to "Smooth Shaded”. The shortcut is 0.