```coffeescript
# Keybindings require three things to be fully defined: A selector that is
# matched against the focused element, the keystroke and the command to
# execute.
#
# Below is a basic keybinding which registers on all platforms by applying to
# the root workspace element.

# For more detailed documentation see
# https://atom.io/docs/latest/behind-atom-keymaps-in-depth
'atom-workspace':
  'alt-cmd-s': 'list-edit:select'
  'alt-cmd-x': 'list-edit:cut'
  'alt-cmd-c': 'list-edit:copy'
  'alt-cmd-v': 'list-edit:paste'
```

Add Windows & Linux key bindings
user
```coffeescript
# Keybindings require three things to be fully defined: A selector that is
# matched against the focused element, the keystroke and the command to
# execute.
#
# Below is a basic keybinding which registers on all platforms by applying to
# the root workspace element.

# For more detailed documentation see
# https://atom.io/docs/latest/behind-atom-keymaps-in-depth
'.platform-darwin atom-text-editor':
  'alt-cmd-s': 'list-edit:select'
  'alt-cmd-x': 'list-edit:cut'
  'alt-cmd-c': 'list-edit:copy'
  'alt-cmd-v': 'list-edit:paste'

'.platform-win32 atom-text-editor, .platform-linux atom-text-editor':
  'ctrl-alt-s': 'list-edit:select'
  'ctrl-alt-x': 'list-edit:cut'
  'ctrl-alt-c': 'list-edit:copy'
  'ctrl-alt-v': 'list-edit:paste'
```
assistant