How to use these commands

1. Type /OS.
2. Xspread displays the following prompt on the top two rows of the screen:
   

           >> set 
           Options:  byrows, bycols, iterations=n, tblstyle=(0|tbl|latex|tex)
   

3. Enter the option that you want to set, then press RETURN. Xspread sets the option to the specified condition. Note that with the iterations and tblstyle options, there can be no intervening spaces.