2004-07-26 めも http://www.macdevcenter.com/pub/a/mac/2004/07/09/inside_ssh_pt1.html http://www.macdevcenter.com/pub/a/mac/2004/07/13/inside_ssh_pt2.html http://www.macdevcenter.com/pub/a/mac/2004/07/20/inside_ssh_pt3.html