diff --git a/.memo/fzf-usage b/.memo/fzf-usage
new file mode 100644
index 0000000..7745e30
--- /dev/null
+++ b/.memo/fzf-usage
@@ -0,0 +1,12 @@
+# copy result to clipboard
+fzf | {clipboard manager} # e.g. wl-copy / win32yank.exe -i
+
+# do not sort results
+fzf +s
+
+# preview results in a preview window
+fzf --preview 'cat {}'
+fzf --preview 'bat --color=always {}' # for better syntax highlighting
+
+# select multiple items with tab
+fzf -m
diff --git a/.memo/nvim-usage b/.memo/nvim-usage
new file mode 100644
index 0000000..1e65efe
--- /dev/null
+++ b/.memo/nvim-usage
@@ -0,0 +1,27 @@
+u           v       undo
+C-r         v       redo
+
+o           v       open new line below & insert mode
+O           v       open new line above & insert mode
+
+S-h         v       move to left buffer
+S-l         v       move to right buffer
+
+C-Enter     i       cancel auto-completion & move to next line
+
+Num j/k     v       move by num lines
+Num G       v       move to line num
+
+w           v       move to start of next word
+W           v       move to start next word, can contain punctuation
+e           v       move to end of current word
+E           v       move to end of current word, can contain punctuation
+b           v       move to start of previous word
+B           v       move to start of previous word, can contain punctuation
+ge          v       move to end of previous word
+gE          v       move to end of previous word, can contain punctuation
+
+0           v       move to start of line
+$           v       move to end of line
+
+<>+...      v       indent
diff --git a/fish/prev.d/.gitignore b/fish/prev.d/.gitignore
index 0ae4370..407a300 100644
--- a/fish/prev.d/.gitignore
+++ b/fish/prev.d/.gitignore
@@ -1,6 +1,6 @@
 *
 !.gitignore
-!zoxide.fish
 !prompt.fish
 !ssh-agent.fish
-!theme.fish
\ No newline at end of file
+!theme.fish
+!programs.fish
diff --git a/fish/prev.d/zoxide.fish b/fish/prev.d/programs.fish
similarity index 56%
rename from fish/prev.d/zoxide.fish
rename to fish/prev.d/programs.fish
index cd85ed8..ec45553 100644
--- a/fish/prev.d/zoxide.fish
+++ b/fish/prev.d/programs.fish
@@ -1,4 +1,8 @@
+if type -q fzf
+    fzf --fish | source
+end
+
 if type -q zoxide
     zoxide init fish | source
     alias cd=z
-end
\ No newline at end of file
+end