On 2/19/25 11:15, Rainer Canavan wrote: > -u, --unique >              with -c, check for strict ordering; without -c, output > only the first of an equal run > > does not provide any explanation what 'equal' or 'run' may mean. Maybe > add something like "where equality is assessed only based on the keys > and rules used to sort the output". Thanks for the suggestion. Although that's a bit long for "sort --help", I take the point that equality comparison could be mentioned and installed the attached to try to make things clearer without adding so much length.