/usr/share/pyshared/hotwire/builtins/ is in hotwire 0.721-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/hotwire/builtins/__init__.py
/usr/share/pyshared/hotwire/builtins/apply.py
/usr/share/pyshared/hotwire/builtins/cat.py
/usr/share/pyshared/hotwire/builtins/cd.py
/usr/share/pyshared/hotwire/builtins/cp.py
/usr/share/pyshared/hotwire/builtins/current.py
/usr/share/pyshared/hotwire/builtins/exit.py
/usr/share/pyshared/hotwire/builtins/fileop.py
/usr/share/pyshared/hotwire/builtins/filter.py
/usr/share/pyshared/hotwire/builtins/fsearch.py
/usr/share/pyshared/hotwire/builtins/head.py
/usr/share/pyshared/hotwire/builtins/help.py
/usr/share/pyshared/hotwire/builtins/history.py
/usr/share/pyshared/hotwire/builtins/httpget.py
/usr/share/pyshared/hotwire/builtins/iter.py
/usr/share/pyshared/hotwire/builtins/json.py
/usr/share/pyshared/hotwire/builtins/kill.py
/usr/share/pyshared/hotwire/builtins/ls.py
/usr/share/pyshared/hotwire/builtins/mkdir.py
/usr/share/pyshared/hotwire/builtins/mv.py
/usr/share/pyshared/hotwire/builtins/newline.py
/usr/share/pyshared/hotwire/builtins/open.py
/usr/share/pyshared/hotwire/builtins/path.py
/usr/share/pyshared/hotwire/builtins/pprint_builtin.py
/usr/share/pyshared/hotwire/builtins/proc.py
/usr/share/pyshared/hotwire/builtins/prop.py
/usr/share/pyshared/hotwire/builtins/pyeval.py
/usr/share/pyshared/hotwire/builtins/pyfilter.py
/usr/share/pyshared/hotwire/builtins/pymap.py
/usr/share/pyshared/hotwire/builtins/replace.py
/usr/share/pyshared/hotwire/builtins/rm.py
/usr/share/pyshared/hotwire/builtins/sechash.py
/usr/share/pyshared/hotwire/builtins/selection.py
/usr/share/pyshared/hotwire/builtins/setenv.py
/usr/share/pyshared/hotwire/builtins/stringify.py
/usr/share/pyshared/hotwire/builtins/sys_builtin.py
/usr/share/pyshared/hotwire/builtins/term.py
/usr/share/pyshared/hotwire/builtins/walk.py
/usr/share/pyshared/hotwire/builtins/write.py