------------
>odbcinst --version
unixODBC 2.2.11
-------
>perl -MDBI -e 'DBI-> installed_versions;'
  Perl            : 5.008008  (i386-linux-thread-multi) -> I really have 5.8.8
  OS              : linux     (2.6.9-42.0.3.elsmp)
  DBI             : 1.604
  DBD::Sponge     : 12.010002
  DBD::Proxy      : 0.2004
  DBD::ODBC       : 1.15
  DBD::Gofer      : 0.010103
  DBD::File       : 0.35
  DBD::ExampleP   : 12.010007
  DBD::DBM        : 0.03

>odbcinst -j
unixODBC 2.2.11
DRIVERS............: /etc/odbcinst.ini
SYSTEM DATA SOURCES: /etc/odbc.ini
USER DATA SOURCES..: /root/.odbc.ini

>odbcinst -q -d
[SQL Server]
[PostgreSQL]