</LI
><LI
><P
>      
      <TT
CLASS="ENVAR"
>PGSERVICEFILE</TT
> specifies the name of the per-user
      connection service file.  If not set, it defaults
      to <TT
CLASS="FILENAME"
>~/.pg_service.conf</TT
>
      (see <A
HREF="libpq-pgservice.html"
>Section 31.16</A
>).
     </P
></LI
><LI
><P
>      
      <TT
CLASS="ENVAR"
>PGREALM</TT
> sets the Kerberos realm to use with
      <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>, if  it is different from the
      local realm.  If <TT
CLASS="ENVAR"
>PGR