同标题。

:~> whereis python
python: /usr/bin/python2.7 /usr/bin/python /usr/lib/python2.7 /usr/lib64/python2.7 /usr/lib64/python /usr/bin/X11/python2.7 /usr/bin/X11/python /usr/include/python2.7 /usr/share/man/man1/python.1.gz

which ptython
locate ptython