The Shell in Arch-Linux is made up by a POSIX compliant mode of bash. Problem with that is the speed. A shell like dash would be much faster. This is a guide on how to persistently change the symlink /bin/sh from bash to dash.
yay -S dash - Install dashsudo ln -sfT /bin/dash /bin/sh - link /bin/sh to dashsudo vim /usr/share/libalpm/hooks/bash-update.hook - setup a hook to avoid
bash resetting the symlink