In message <20040828100437.GA26682 at mail.guild.uwa.edu.au> on Sat, Aug 28, 2004 at 06:04:37PM +0800, James Devenish wrote: > by issuing the 'o' command in interactive mode and typing the name of > the column. Some Linux versions are more novel in their approach to > interactive sorting Try 'O' rather than 'o'.