I have a Sun type 7 UNIX keyboard that I'd like to get more productivity out of. So what are those extra keys for, or rather, what were they intended for by Sun? And is there a way to approximate those functions in any useful way on a modern Linux or Solaris 11 system?
The keys in question are:
Label Keycode keysym
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Compose 135 Menu
Stop 136 Cancel
Again 137 Redo
Props 138 SunProps
Undo 139 Undo
Front 140 SunFront
Copy 141 XF86Copy
Open 142 SunOpen
Paste 143 XF86Paste
Find 144 Find
Cut 145 XF86Cut
(global-set-key [SunProps] 'describe-function). – Emanuel Berg Aug 17 '12 at 13:08