-text data bss dec hex filename
-294880 81920 11592 388392 5ed28 ranlib
-294880 81920 11888 388688 5ee50 size
+ text data bss dec hex filename
+ 294880 81920 11592 388392 5ed28 ranlib
+ 294880 81920 11888 388688 5ee50 size
+@end smallexample
+
+The Berkeley style output counts read only data in the @code{text}
+column, not in the @code{data} column, the @code{dec} and @code{hex}
+columns both display the sum of the @code{text}, @code{data}, and
+@code{bss} columns in decimal and hexadecimal respectively.
+
+The GNU format counts read only data in the @code{data} column, not
+the @code{text} column, and only displays the sum of the @code{text},
+@code{data}, and @code{bss} columns once, in the @code{total} column.
+The @option{--radix} option can be used to change the number base for
+all columns. Here is the same data displayed with GNU conventions:
+
+@smallexample
+$ size --format=GNU ranlib size
+ text data bss total filename
+ 279880 96920 11592 388392 ranlib
+ 279880 96920 11888 388688 size