The default bash PS1 provides mostly no information. Let's replace it. Before: ``` [watanabe@thinkpad-x280:~] $ run0 🦸 bash-5.2# echo $PS1 🦸 \s-\v\$ ``` After: ``` [watanabe@thinkpad-x280:~] $ run0 🦸 [root@thinkpad-x280 watanabe]# echo $PS1 🦸 [\u@\h \W]\$ ``` Fixes #38494.