hepl to identify the correct package

[piyush.neo]

i am using UBUNTU 9.04
when downloading a s/w its showing the following


http://www.cgsecurity.org/os/linux.png Linux (http://www.cgsecurity.org/testdisk-6.11.3.linux26.tar.bz2), kernel 2.6.x i386/x86_64
http://www.cgsecurity.org/os/linux.png Linux (http://www.cgsecurity.org/testdisk-6.11.3.linux24.tar.bz2), kernel 2.4.x i386/x86_64
http://www.cgsecurity.org/os/rpm.png Linux i386 RPM (http://www.cgsecurity.org/testdisk-6.11.3-1.i386.rpm)
http://www.cgsecurity.org/os/rpm.png Linux SRPM (http://www.cgsecurity.org/testdisk-6.11.3-1.src.rpm)

How will i know which to swlect out of 4???
plz be in detail..i am new to ubuntu...

[diesch]

First you should look if the software is available from the Ubuntu repositories, e.g. by searching in Synaptic.

If it's not choose the "Linux, kernel 2.6.x i386/x86_64" option.