This is the mnemonic Russian keyboard in Windows.
while this is the phonetic Russian layout in Ubuntu.
In Windows there are some Russian characters mapped in different keys and also:
From Wikipedia:
Windows 10 includes its own implementation of a mnemonic QWERTY-based input method for Russian, which does not fully rely on assigning a key to every Russian letter, but uses the sh, sc, ch, ya (ja), yu (ju), ye (je), yo (jo) combinations to input ш, щ, ч, я, ю, э and ё respectively.
One way to come close to the desired behavior is to
~/.XCompose
~/.XCompose
I tested it with a
~/.XCompose
file with only this line:When using the Russian (phonetic) keyboard layout it lets me do:
Compose followed by С followed by Х -> ш