install openzfs on gnu/linux

slackware

need to rebuild for every running kernel – define KERNEL accordingly you’re building the module for another one

sbopkg -i openzfs

see https://slackbuilds.org/repository/15.0/system/openzfs/?search=openzfs

from source

see zfs-source

acceptance

Linux dmesg

ZFS: Loaded module v2.0.0-rc1_19_gb73a8b1dc, ZFS pool version 5000, ZFS filesystem version 5

ZFS: Loaded module v2.0.0-1, ZFS pool version 5000, ZFS filesystem version 5

ZFS: Loaded module v2.4.0-rc4, ZFS pool version 5000, ZFS filesystem version 5

FreeBSD dmesg

ZFS filesystem version: 5
ZFS storage pool version: features support (5000)