I’m looking at http://mirror.centos.org/centos-7/7.3.1611/os/x86_64/Packages where there are many i686 RPMs included.
Not every x86_64 RPM has its i686 RPM counterpart though.
I thought i686 packages are for 32 bit machine only, but why are they present under x86_64 directory? Are they really needed for 64 bit distribution?
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Answer
I thought i686 packages are for 32 bit machine only, but why are they present under x86_64 directory? Are they really needed for 64 bit distribution?
These 32-bit libraries are provided for the purpose of backward compatibility.