A) Global shortcuts

Situation

I want to replace CTRL+L  (logout user from administration) shortcut with CTRL+ALT+DELETE

Solution

1. Find keymap.ini file stored in
   /plugins/system/cdhotkeys/extensions/globals directory.
2. Find ctrl+l line and change the shortcut to alt+ctrl+delete (alphabetically):

   Before: ctrl+l=logout
   After: alt+ctrl+delete=logout

3. Save file.

B) Contextual (Article Manager)

Situation

I want to replace ESC (quit article editing) shortcut with CTRL+Q

Solution

1. Find keymap.ini file stored in
   /plugins/system/cdhotkeys/extensions/com_content directory.

   
   Why "com_content"? Because it's part of URL option argument:

   

2. Find esc line and change the shortcut to ctrl+q (alphabetically):

   Before: esc=cancel
   After: ctrl+q=cancel

3. Save file.