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@@ -480,7 +480,8 @@ See *KEY BINDINGS* section of the man page for details.
### Preview window
When `--preview` option is set, fzf automatically starts an external process with
-the current line as the argument and shows the result in the split window.
+the current line as the argument and shows the result in the split window. Your
+`$SHELL` is used to execute the command with `$SHELL -c COMMAND`
```bash
# {} is replaced to the single-quoted string of the focused line