Greg Wooledge (HE12025-10-30): > I think we're getting lost in the terminology. When the output of ls > is a pipe, ls writes one filename per line. The output is therefore > a single column. When the output of ls is not a tty (for example, a pipe), it does not format columns, plural. Of course, if it does not format columns, the output will appear as a single column. Regards, -- Nicolas George