1 05/09/84  default_wdir, dwd
 2 
 3 Syntax as a command:  dwd
 4 
 5 
 6 Syntax as an active function:  [dwd]
 7 
 8 
 9 Function: returns the pathname of the default working directory of the
10 process in which you invoke it, as set by the change_default_wdir
11 command.