Ctrl + C = Copy
Ctrl + X = Cut
Ctrl + V = Paste
Ctrl + Shift + C = Copy with Base Point
Ctrl + Shift + V = Paste as Block
Ctrl + S = Qsave
Ctrl + Shift + S = Saveas
Ctrl + O = Open
Ctrl + N = New
Ctrl + A = Select All
Ctrl + P = Plot
Ctrl + 1 = Properties
Ctrl + 2 = Designcenter
Ctrl + 3 = ToolPalettes
Ctrl + 9 = Command Line : off/on
Ctrl + 0 = CleanScreen : off/on