Caret/config/keys.json

{
  //basic navigation/application keys
  "Ctrl-O": "session:open-file",
  "Ctrl-W": "session:close-tab",
  "Ctrl-S": "session:save-file",
  "Ctrl-Shift-S": "session:save-file-as",
  "Ctrl-N": "session:new-file",
  "Ctrl-Tab": "session:change-tab",
  "Ctrl-Shift-Tab": { "command": "session:change-tab", "argument": -1 },
  
  //Chromebook fixes
  "Ctrl-Up": { "ace": "addCursorAbove" },
  "Ctrl-Down": { "ace": "addCursorBelow" },
  "Alt-PageDown": { "command": "ace:command", "argument": "gotopagedown" },
  "PageDown": { "command": "ace:command", "argument": "gotopagedown" },
  "Alt-PageUp": { "command": "ace:command", "argument": "gotopageup" },
  "PageUp": {"command": "ace:command", "argument": "gotopageup" },
  "Alt-Home": { "command": "ace:command", "argument": "gotolinestart" },
  "Home": { "command": "ace:command", "argument": "gotolinestart" },
  "Alt-End": { "command": "ace:command", "argument": "gotolineend" },
  "End": { "command": "ace:command", "argument": "gotolineend" },
  
  //Sublime compatibility
  "Ctrl-L": "sublime:expand-to-line",
  "Ctrl-D": { "ace": "selectMoreAfter" },
  "Ctrl-P": { "command": "palette:open" },
  "Ctrl-Shift-P": { "command": "palette:open", "argument": "command" },
  "Ctrl-R": { "command": "palette:open", "argument": "reference" },
  "Ctrl-G": { "command": "palette:open", "argument": "line" },
  "Ctrl-M": { "ace": "jumptomatching" },
  "Ctrl-Shift-M": { "command": "sublime:expand-to-matching" },
  "Ctrl-Q": { "command": "ace:togglemacro" },
  "Ctrl-Shift-Q": { "ace": "replaymacro" },
  "Ctrl--": { "command": "editor:adjust-zoom", "argument": -1 },
  "Ctrl-=": { "command": "editor:adjust-zoom", "argument": 1 },
  "Ctrl-0": { "command": "editor:default-zoom" }
}