LD_LIBRARY_PATH : /usr/local/freetds/lib/:/lib/:/lib/tls/ SYBASE : /usr/local/freetds ldd of Sybase.so: libct.so.4 => /usr/local/freetds/lib/libct.so.4 (0x00e92000) libdl.so.2 => /lib/libdl.so.2 (0x00fae000) libm.so.6 => /lib/tls/libm.so.6 (0x00402000) libc.so.6 => /lib/tls/libc.so.6 (0x00604000) librt.so.1 => /lib/tls/librt.so.1 (0x00a13000) libpthread.so.0 => /lib/tls/libpthread.so.0 (0x008c6000) /lib/ld-linux.so.2 (0x0093f000) ldd of libct.so.4: librt.so.1 => /lib/tls/librt.so.1 (0x00a8c000) libpthread.so.0 => /lib/tls/libpthread.so.0 (0x009be000) libc.so.6 => /lib/tls/libc.so.6 (0x00111000) /lib/ld-linux.so.2 (0x0093f000) **********-----><-----**********