属于 "bullseye-backports" 发行版 shells 子版面的软件包

fish (3.6.0-2~bpo11+1)
友好的交互式 shell
fish-common (3.6.0-2~bpo11+1)
friendly interactive shell (architecture-independent files)
powerline (2.8.3-4~bpo11+1)
prompt and statusline utility