With I2C Tools for Linux we can probe, read and write to I2C buses.

wget http://dl.lm-sensors.org/i2c-tools/releases/i2c-tools-3.1.1.tar.bz2
tar jxvf i2c-tools-3.1.1.tar.bz2
cd i2c-tools-3.1.1
make
make install