Rewrite to focus on the system call interface, adding some notes on the libaio wrapper differences. See the following mail: 2012-05-07 "aio manuals", linux-man@vger.kernel.org http://thread.gmane.org/gmane.linux.man/1935/focus=2910 Other minor rewrites. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>