/usr/share/ri/1.8/system/FileUtils/ is in ri1.8 1.8.7.352-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ri/1.8/system/FileUtils/DryRun/
/usr/share/ri/1.8/system/FileUtils/DryRun/cdesc-DryRun.yaml
/usr/share/ri/1.8/system/FileUtils/Entry_/
/usr/share/ri/1.8/system/FileUtils/Entry_/cdesc-Entry_.yaml
/usr/share/ri/1.8/system/FileUtils/NoWrite/
/usr/share/ri/1.8/system/FileUtils/NoWrite/cdesc-NoWrite.yaml
/usr/share/ri/1.8/system/FileUtils/StreamUtils_/
/usr/share/ri/1.8/system/FileUtils/StreamUtils_/cdesc-StreamUtils_.yaml
/usr/share/ri/1.8/system/FileUtils/StreamUtils_/fu_blksize-i.yaml
/usr/share/ri/1.8/system/FileUtils/StreamUtils_/fu_default_blksize-i.yaml
/usr/share/ri/1.8/system/FileUtils/StreamUtils_/fu_stream_blksize-i.yaml
/usr/share/ri/1.8/system/FileUtils/StreamUtils_/fu_windows%3f-i.yaml
/usr/share/ri/1.8/system/FileUtils/Verbose/
/usr/share/ri/1.8/system/FileUtils/Verbose/cdesc-Verbose.yaml
/usr/share/ri/1.8/system/FileUtils/cd-i.yaml
/usr/share/ri/1.8/system/FileUtils/cdesc-FileUtils.yaml
/usr/share/ri/1.8/system/FileUtils/chdir-i.yaml
/usr/share/ri/1.8/system/FileUtils/chmod-i.yaml
/usr/share/ri/1.8/system/FileUtils/chmod_R-i.yaml
/usr/share/ri/1.8/system/FileUtils/chown-i.yaml
/usr/share/ri/1.8/system/FileUtils/chown_R-i.yaml
/usr/share/ri/1.8/system/FileUtils/cmp-i.yaml
/usr/share/ri/1.8/system/FileUtils/collect_method-c.yaml
/usr/share/ri/1.8/system/FileUtils/commands-c.yaml
/usr/share/ri/1.8/system/FileUtils/compare_file-i.yaml
/usr/share/ri/1.8/system/FileUtils/compare_stream-i.yaml
/usr/share/ri/1.8/system/FileUtils/copy-i.yaml
/usr/share/ri/1.8/system/FileUtils/copy_entry-i.yaml
/usr/share/ri/1.8/system/FileUtils/copy_file-i.yaml
/usr/share/ri/1.8/system/FileUtils/copy_stream-i.yaml
/usr/share/ri/1.8/system/FileUtils/cp-i.yaml
/usr/share/ri/1.8/system/FileUtils/cp_r-i.yaml
/usr/share/ri/1.8/system/FileUtils/fu_have_symlink%3f-i.yaml
/usr/share/ri/1.8/system/FileUtils/fu_world_writable%3f-i.yaml
/usr/share/ri/1.8/system/FileUtils/getwd-i.yaml
/usr/share/ri/1.8/system/FileUtils/have_option%3f-c.yaml
/usr/share/ri/1.8/system/FileUtils/identical%3f-i.yaml
/usr/share/ri/1.8/system/FileUtils/install-i.yaml
/usr/share/ri/1.8/system/FileUtils/link-i.yaml
/usr/share/ri/1.8/system/FileUtils/ln-i.yaml
/usr/share/ri/1.8/system/FileUtils/ln_s-i.yaml
/usr/share/ri/1.8/system/FileUtils/ln_sf-i.yaml
/usr/share/ri/1.8/system/FileUtils/makedirs-i.yaml
/usr/share/ri/1.8/system/FileUtils/mkdir-i.yaml
/usr/share/ri/1.8/system/FileUtils/mkdir_p-i.yaml
/usr/share/ri/1.8/system/FileUtils/mkpath-i.yaml
/usr/share/ri/1.8/system/FileUtils/move-i.yaml
/usr/share/ri/1.8/system/FileUtils/mv-i.yaml
/usr/share/ri/1.8/system/FileUtils/options-c.yaml
/usr/share/ri/1.8/system/FileUtils/options_of-c.yaml
/usr/share/ri/1.8/system/FileUtils/pwd-i.yaml
/usr/share/ri/1.8/system/FileUtils/remove-i.yaml
/usr/share/ri/1.8/system/FileUtils/remove_dir-i.yaml
/usr/share/ri/1.8/system/FileUtils/remove_entry-i.yaml
/usr/share/ri/1.8/system/FileUtils/remove_entry_secure-i.yaml
/usr/share/ri/1.8/system/FileUtils/remove_file-i.yaml
/usr/share/ri/1.8/system/FileUtils/rm-i.yaml
/usr/share/ri/1.8/system/FileUtils/rm_f-i.yaml
/usr/share/ri/1.8/system/FileUtils/rm_r-i.yaml
/usr/share/ri/1.8/system/FileUtils/rm_rf-i.yaml
/usr/share/ri/1.8/system/FileUtils/rmdir-i.yaml
/usr/share/ri/1.8/system/FileUtils/rmtree-i.yaml
/usr/share/ri/1.8/system/FileUtils/safe_unlink-i.yaml
/usr/share/ri/1.8/system/FileUtils/symlink-i.yaml
/usr/share/ri/1.8/system/FileUtils/touch-i.yaml
/usr/share/ri/1.8/system/FileUtils/uptodate%3f-i.yaml