Left Ctrl, Alt swap in linux

~$ gedit ~/.Xmodmap

 

 

 

clear control

clear mod1

keycode 37 = Alt_L Meta_L

keycode 64 = Control_L

add control = Control_L Control_R

add mod1 = Alt_L Meta_L

 

~$ xmodmap ~/.Xmodmap

 

 

 

 

reference : https://askubuntu.com/questions/93624/how-do-i-swap-left-ctrl-with-left-alt-on-my-keyboard