On 08/05/2013 01:56 PM, Mike Kupfer wrote: > Kevin O'Gorman wrote: > > So "sort +2" is equivalent to "sort -k 3". cheers, mike Just curious what -k denotes I checked man sort and it says start a key at POS1 end at POS2 but I'm not sure what that means. So what is a key? I've always used -t and sorted by fields just curious what it means to sort by a key. Linda