How to save the data to disk ?

At first , I open Kdb+ Database :C:\q\q.exe -p 5001Second ,q) \l trade.qhere is the question How to save the table trade’data to disk ?

Save ':name.csv

Here the name is.table name and before colon there is back tick

You can find more:
http://code.kx.com/wiki/JB:QforMortals2/i\_o#Save\_and\_Load\_on\_Tables