Need help for sorting in Unix

Hi

I have a query regarding syncsort in Unix. What is the difference between Syncsort and normal sort. If I have 4 columns to do sort in a csv file and and first col, and third col to be done in descending order. How can I do that in Unix/

Please help me..Its urgent.

If you provide an example of your dataset, somebody on the forum will probably be able to help you. Without seeing an example of your dataset it is difficult to provide a useful answer other than telling you to read the sort man page.

Syncsort is Syncsort's sort product.
DFSORT is IBM's sort product.
CA-Sort is CA's sort product.

Refer the following URL

MAINFRAME FORUM: Difference between sort, syncsort and DFSORT

awk might work for what you want, but if you dont post your data, it is hard to give you an accurate line to do what you want.