Set options (except for Actions, Brushes, Swatches, and Symbols panels)

Alt-click New button

Option-click New button

Delete without confirmation (except for Variable panel)

Alt-click Delete button

Option-click Delete button

Apply value and keep text box active

Shift + Enter

Shift + Return

Select range of actions, brushes, layers, links, styles, or swatches

Shift-click

Shift-click

Select noncontiguous actions, brushes, layers (same level only), links, styles, or swatches

Ctrl-click

Command-click

Show/Hide all panels

Tab

Tab

Show/Hide all panels except the Toolbox and Control panel

Shift + Tab

Shift + Tab