fzf: ctlr -r このコマンドラインで履歴検索を実行しません。

わかりました。で答えを見つけました。https://packages.debian.org/bullseye/fzfREADMEファイルを参照してください。

Bash
====

Append this line to ~/.bashrc to enable fzf keybindings for Bash:

   source /usr/share/doc/fzf/examples/key-bindings.bash

Append this line to ~/.bashrc to enable fuzzy auto-completion for Bash:

   source /usr/share/doc/fzf/examples/completion.bash

Zsh
===

Append this line to ~/.zshrc to enable fzf keybindings for Zsh:

   source /usr/share/doc/fzf/examples/key-bindings.zsh

Append this line to ~/.zshrc to enable fuzzy auto-completion for Zsh:

   source /usr/share/doc/fzf/examples/completion.zsh

Fish
====

Issue the following commands to enable fzf keybindings for Fish:

   mkdir -p ~/.config/fish/functions/
   echo fzf_key_bindings > ~/.config/fish/functions/fish_user_key_bindings.fish

Vim
===

The straightforward way to use fzf.vim is appending this line to your vimrc:

   source /usr/share/doc/fzf/examples/fzf.vim