Original sentence: After the Linux kernel became usable, Linux became the most common host for GNU software.As of 2007, GNU is being actively developed, though its official kernel, GNU Hurd, is incomplete and not all GNU components work with it.For this reason, most GNU users use the third-party Linux kernel.Many GNU programs have also been ported to numerous other operating systems such as Microsoft Windows, BSD variants, Solaris and Mac OS.The GNU project coined the term GNU/Linux for such systems.While Linux has not been officially adopted as the kernel of GNU, GNU does officially include other third party software such as the X
Edited sentence: After the Linux kernel became usable, it became the most common kernel for GNU systems.As of 2007, GNU is being actively developed.For this reason, most users of GNU use it with the third-party Linux kernel.Many GNU programs have also been ported to numerous other operating systems such as Microsoft Windows, BSD variants, Solaris, and Mac OS.Most components were completed long ago and have been in production use for a decade or more, but its official kernel, GNU Hurd, is still unfinished.Such systems are called GNU/Linux by the GNU project, but are often called Linux by others.The GNU project coined the term GNU/Linux for such systems, but they are commonly called just Linux.While the Linux kernel has not been officially adopted as the kernel of GNU, GNU does officially include other third party software such as the X