"When Sun liberated the Solaris source code, the company deliberately chose a license that would make it difficult for the code to be adapted for use in the Lin

"When Sun liberated the Solaris source code, the company deliberately chose a license that would make it difficult for the code to be adapted for use in the Linux kernel. Oracle will probably dual-license the Solaris code so that it is available under the GPLv2 in addition to the CDDL. This will allow key Solaris innovations—such as ZFS and DTrace—to be ported to Linux." DTrace, finally!