I was wondering if you could do a chroot from Freebsd to GNU/Linux, because I know that Freebsd also has a compatibility layer for executable GNU/Linux?

Of course provided that there is support to the filesystem and shell.


If you install linux ABI support on FreeBSD, you can simply execute a Linux binary and it looks like a Linux environment for this application, with the exception that user homes are still available.

You can try it yourself and look at the system by simply executing:


Type for example uname -a and you'll get Linux version information.

I've also heard about people having Linux running in a FreeBSD jail, but I don't know if this really works well. It may come closer to a chroot environment. And there is also bhyve that does real virtualization.

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    Linux running in a FreeBSD jail is the point of this question. Is the FreeBSD emulation good enough to run not only run-of-the-mill applications, but system binaries such as systemd? – Gilles Sep 25 '16 at 22:49
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    The ABI layer is very powerful and give full compatibility. But do not confuse it with a hypervisor. A jail is a different beast entirely and not related to the ABI. You can run ABI in a Jail - but it is not a VM. A nice explanation of the ABI here: freebsd.org/doc/en_US.ISO8859-1/articles/linux-emulation/… – Claus Andersen Sep 26 '16 at 9:05
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    @oscarandrea The FreeBSD livefs CD does not have the Linux base packages that are needed, if I remember correctly. You should install FreeBSD and follow the manual that I referenced above. – Martin Sugioarto Sep 26 '16 at 9:08
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    @Gilles No, you cannot run very low-level software. This is an ABI emulation and not full system emulation. The system is already started and does not need init/systemd. bhyve or VirtualBox might be interesting for you. – Martin Sugioarto Sep 26 '16 at 9:08
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    guys have got it wrong, I do not want to emulate throughout the system (init etc) but I just want to do the chroot bash :) – Oscar Andrea Merandi Sep 26 '16 at 14:39

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