Unverified50% confidenceFactExact time
ZFS was originally open-sourced by Sun Microsystems under the CDDL license, which is disputed as incompatible with the Linux kernel's GPLv2, preventing it from being merged directly into the kernel source tree.
1
Sources
50%
Confidence
Long-term
Relevance
9/20/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedZFS was originally developed by Sun Microsystems in 2001 for Solaris and was later ported to Linux and BSD platforms through the OpenZFS project.74% similarUnverifiedZFS on Linux is distributed primarily through the OpenZFS project as a kernel module, typically using DKMS to automatically recompile the module after kernel upgrades.63% similarUnverifiedTrueNAS, formerly known as FreeNAS, was first released in 2005 and provides a graphical management interface for ZFS.55% similarUnverifiedUFM provides a fully open-source FOSS version under the GPL v3 license, hosted on GitHub, with proprietary SDKs such as Firebase and Google Play Billing removed53% similarUnverifiedXZ Utils 的核心组件 liblzma 被 systemd 间接调用，进而影响 OpenSSH 的认证流程51% similar
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