Name
Layer — Key reference for Layer menu
Layers
Shift + Ctrl + N
New layer
Shift + Ctrl + D
Duplicate layer
Page Up
Select the layer above
Page Down
Select the layer below
Home
Select the first layer
End
Select the last layer
Ctrl + M
Merge visible layers
Ctrl + H
Anchor layer
Shift + Ctrl + N
Transform, Offset: shift the pixels in the layer