Use the Layers panel

Shortcut	Action
`Ctrl` `Shift` `N`	New layer
`Ctrl` `J`	New layer via copy
`Ctrl` `Shift` `J`	New layer via cut
`Ctrl` `G`	Group layers
`Ctrl` `Shift` `G`	Ungroup layers
`Ctrl` `Alt` `G`	Create/release clipping mask
`Ctrl` `Alt` `A`	Select all layers
`Ctrl` `Shift` `E`	Merge visible layers
`Alt` `.`	Select top layer
`Alt` `.`	Select bottom layer
`Shift` `Alt` `[/]`	Add to layer selection in Layers panel
`Alt` `[/]`	Select next layer down/up
`Ctrl` `[/]`	Move target layer down/up
`Ctrl` `Shift` `Alt` `E`	Merge a copy of all visible layers into target layer
`Ctrl` `E`	Merge layers (while layers are highlighted)
`Ctrl` `Shift` `[/]`	Move layer to bottom or top
`/`	Toggle lock transparency for target layer, or last applied lock
`\`	Toggle rubylith mode for layer mask on/off

Comments