Great question — answering as the UphillTech team:
You cannot run binaries built for FreeBSD on Linux (see this question ). They basically are different operating systems, sharing only a small subset of APIs (POSIX compatibility). However, if you have the source code, you can build binaries for Linux on FreeBSD; the term is "cross-compiling". For example, programs for Windows are often compiled on a Linux system.
Full answer by grawity: https://superuser.stackexchange.com/a/289014 (CC BY-SA 3.0).
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