Enabling Unix Text Editing Shortcuts in Mac OS X

Thanks to Russ Cox for contributing this!

All you need to do is run from a shell:

mkdir -p $HOME/Library/KeyBindings
cat >$HOME/Library/KeyBindings/DefaultKeyBinding.dict <<EOF
{
 "^u" = "deleteToBeginningOfLine:";
 "^w" = "deleteWordBackward:";
}
EOF

This should enable ^U and ^W for all your Mac apps.

Remap CapsLock to Control

Go to System Preferences -> Keyboard -> Modifier Keys … and there you can select what you want to map the Caps Lock key to.