From BlenderWiki
Keyboard Tweaks
These commands can be added into your ~/.xinitrc
Set Capslock as Ctrl
xmodmap -e 'keycode 66 = Control_L' xmodmap -e 'clear Lock' xmodmap -e 'add Control = Control_L'
Swap Symbols/Numbers
This way you symbols are default, holding shift gets numbers (or better, just use numpad)
xmodmap -e "keycode 10 = exclam 1 exclam 1" xmodmap -e "keycode 11 = at 2 at 2" xmodmap -e "keycode 12 = numbersign 3 numbersign 3" xmodmap -e "keycode 13 = dollar 4 dollar 4" xmodmap -e "keycode 14 = percent 5 percent 5" xmodmap -e "keycode 15 = asciicircum 6 asciicircum 6" xmodmap -e "keycode 16 = ampersand 7 ampersand 7" xmodmap -e "keycode 17 = asterisk 8 asterisk 8" xmodmap -e "keycode 18 = parenleft 9 parenleft 9" xmodmap -e "keycode 19 = parenright 0 parenright 0"