[[https://unix.stackexchange.com/questions/65507/use-setxkbmap-to-swap-the-left-shift-and-left-control|Use setxkbmap to swap the Left Shift and Left Control]]

<code>
sunkan@sunkan:~$ find .xkb/ -ls
   265001      4 drwxr-xr-x   4 sunkan   sunkan       4096 jan 17 12:29 .xkb/
   265003      4 drwxr-xr-x   2 sunkan   sunkan       4096 jan 17 12:28 .xkb/keymap
   265014      4 -rw-r--r--   1 sunkan   sunkan        319 jan 17 12:21 .xkb/keymap/mykbd
   265012     16 -rw-r--r--   1 sunkan   sunkan      16080 jan 17 12:28 .xkb/keymap/mykbd.xkm
   265009      4 drwxr-xr-x   2 sunkan   sunkan       4096 jan 17 12:20 .xkb/symbols
   265013      4 -rw-r--r--   1 sunkan   sunkan        142 jan 17 12:20 .xkb/symbols/myswap
   265018      4 -rwxr-xr-x   1 sunkan   sunkan         69 jan 17 12:29 .xkb/set.sh
sunkan@sunkan:~$ 
</code>

<code>
sunkan@sunkan:~$ cat .xkb/keymap/mykbd
xkb_keymap {
        xkb_keycodes  { include "evdev+aliases(qwerty)" };
        xkb_types     { include "complete"      };
        xkb_compat    { include "complete"      };
        xkb_symbols   { include "pc+us(dvorak)+se(dvorak_a5):2+se:3+inet(evdev)+ctrl(ac_ctrl)+myswap(swap_l_shift_ctrl)"        };
        xkb_geometry  { include "typematrix(tm2030USB-102)"     };
};
</code>

<code>
sunkan@sunkan:~$ cat .xkb/symbols/myswap
partial modifier_keys
xkb_symbols "swap_l_shift_ctrl" {
    replace key <LCTL>  { [ Shift_L ] };
    replace key <LFSH> { [ Control_L ] };
};
</code>

<code>
sunkan@sunkan:~$ cat .xkb/set.sh
#!/bin/sh

xkbcomp -w3 -I$HOME/.xkb $HOME/.xkb/keymap/mykbd $DISPLAY
</code>