On the Arduino software downloads page (http://arduino.cc/en/Main/Software) the Mac version is supplied as a .zip file.
Ubuntu and other Linux variants have zip decompression software either supplied already or available for free.
On the Arduino software downloads page (http://arduino.cc/en/Main/Software) the Mac version is supplied as a .zip file.
Ubuntu and other Linux variants have zip decompression software either supplied already or available for free.