How to get that 32-bit application to run under your 64-bit Linux...
Although almost all packages are available compiled into native 64-bit AMD64 machine code, there is a handful of packages, in particular third party closed-source applications, that is not. These applications will not run directly in Debian AMD64. However, there are several methods to overcome this problem: dual boot/VM; a 32-bit chroot; and using the ia-32 suite.
