<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div><br></div><div><br>On Mar 8, 2017, at 10:20, Dave Horsfall wrote:<br><br></div><blockquote type="cite"><div><span>the Mac pretends to be Unix, but Unix it ain't.</span><br></div></blockquote><br><div>Since words do still have meanings, I have to point out that macOS is a certified POSIX-compliant UNIX OS. </div><div><br></div><div><a href="https://www.opengroup.org/openbrand/register/apple.htm">https://www.opengroup.org/openbrand/register/apple.htm</a></div><div><br></div><div><br></div></body></html>