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do softwares meant for x86, install on x86_64 and x64. I am focusing on linux. What problems can occur. I have never been comfortable with the differences. Could you explain?

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up vote 4 down vote accepted

x86 refers to 32-bit software. x86_64 and x64 both refer to 64-bit software. Running 32-bit software on a 64-bit version of Linux is not the same as on Windows where 32-bit apps are thrown into a Program Files (x86) folder, some modifications are needed such as installing ia32 libraries.

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i am on fedora and suse. –  Rohit Banga Jan 17 '10 at 11:03
    
You'll still need ia32, here's an article tailored to fedora (scroll down to Installing 32-bit support libraries under 64-bit Fedora 9 Sulphur ): metztli-it.com/blog/index.php/2008/06/28/… . It's for Fedora 9 but it's still relevant with the ia32 libs. –  John T Jan 17 '10 at 11:09
    
will the 32 bit linux version work on x64 java.com/en/download/manual.jsp –  Rohit Banga Jan 17 '10 at 11:13
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I have no idea as I haven't tried it. Some applications do not work with ia32. Out of curiosity, why aren't you using the 64-bit build of java? javadl.sun.com/webapps/download/AutoDL?BundleId=35678 –  John T Jan 17 '10 at 11:15
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