GPLv2
The second version of the GNU General Public License, a widely used copyleft open-source license that requires derivative works to release their source code under the same license.
Core Facts
Timeline (last 90 days)
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.
Linux is released under the GPLv2 license, which requires that any derivative works based on GPL code must also be open-sourced under the same license.
GPLv2要求分发者以不超过物理复制成本的价格提供源代码，有效期至少三年；GPLv3增加了反Tivoization条款和专利授权条款
All Facts (3)
Linux is released under the GPLv2 license, which requires that any derivative works based on GPL code must also be open-sourced under the same license.
65%UnverifiedZFS 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.
50%UnverifiedGPLv2要求分发者以不超过物理复制成本的价格提供源代码，有效期至少三年；GPLv3增加了反Tivoization条款和专利授权条款
50%