1 05/09/84  home_dir, hd
 2 
 3 Syntax as a command:  hd
 4 
 5 
 6 Syntax as an active function:  [hd]
 7 
 8 
 9 Function:  returns the pathname of your home directory (usually of the
10 form >user_dir_dir>Project_id>Person_id).