Question: what is the difference between linux x86 and x64?
Answer: The difference is that Java binaries compiled as x86 (32-bit) or x64 (64-bit) applications respectively. On a 64-bit Windows you can use either version, since x86 will run in WOW64 mode. ... For a Linux you should select appropriate type x86 for 32-bit OS, and x64 for 64-bit OS.