Apple Mac OS X keyboard abbreviations:

• Cmd - Command
  
• Opt - Option
  

PC Windows keyboard abbreviations:

• Ctrl - Control
  

- Command -	- Keyboard Shortcut -
	Mac OS X	Windows
Undo	Cmd+Z	Ctrl+Z
Paste Shape	Cmd+V	Ctrl+V
Copy Shape	Cmd+C	Ctrl+C
Add random knives to selection	Cmd+[	Ctrl+[
Deselect random knives	Cmd+]	Ctrl+]
Deselect all knives	Cmd+D	Ctrl+D
Select All knives	Cmd+A	Ctrl+A
Invert selection	Cmd+Shft+I	Ctrl+Shft+I
Manual Knots Adjustment	Cmd+K	Ctrl+K
Save Layout	Cmd+S	Ctrl+S
Load Layout	Cmd+L	Ctrl+L
Randomize by H and U	Cmd+Opt+Shift+M	Ctrl+Alt+Shift+M
Randomize by H	Cmd+M	Ctrl+M
Randomize by U	Cmd+Shift+M	Ctrl+Shift+M
Flip by H and U	Cmd+Opt+Shift+F	Ctrl+Alt+Shift+F
Flip by H	Cmd+F	Ctrl+F
Flip by U	Cmd+Shift+F	Ctrl+Shift+F
Zoom out	Cmd+'-'	Ctrl+'-'
Zoom in	Cmd+'+'	Ctrl+'+'
Fits image in preview	Cmd+0(Zero)	Ctrl+0(Zero)
Zoom 100% (1:1)	Cmd+Opt+0(Zero)	Ctrl+Alt+0(Zero)
Hide/Show Extras	Cmd+H / F9	Ctrl+H / F9
Hide/Show Nodes	Shift+H / Shift+F9	Shift+H / Shift+F9