in reply to The PWD command really stands for:

* piss with 'dbmclose' # breaks binding on a tied dbm file
* piss with 'dbmopen' # create binding on a tied dbm file
* piss with 'defined' # test whether a value, variable, or function is defined
* piss with 'delete' # deletes a value from a hash
* piss with 'die' # raise an exception or bail out
* piss with 'do' # turn a BLOCK into a TERM
* piss with 'dump' # create an immediate core dump