idallen@watcgl.waterloo.edu (08/25/89)
From: "Ian! D. Allen [CGL]" <idallen> $ PATH=/bin::a:b showpath /bin:a:b $ PATH=/bin:a:b: showpath /bin:a:b $ PATH=:/bin:a:b showpath /bin:a:b The null path has traditionally stood for "." to Bourne shells.