A shell script for killing Wine and Proton processes.
GloriousEggroll's script with wineserver -k
added.
Arch - the AUR.
Different distros:
Download killwine.sh and create an alias command:
alias killwine='/path/to/killwine.sh'
in one of these files: ~/.bashrc
/ ~/.zshrc
/ ~/.config/fish/config.fish
.