This guide assumes you use a file
res.cls and are able to modify it
The geometry package helps reducing page margins, e.g. like
(Default margin is 1 inch.)
However, this will raise errors when compiling, because
geometry both use an option named
margin. As this post suggests, this can be resolved by changing the line (in
and in your document
Increase content size
Now, content will be positioned closer to the upper left corner, but still remain in the same box, i.e. produce more visual margin on the right/bottom.
To resolve this,
\textheight need to be adjusted.
They can be overridden by
If this doesn't work, check if those values are overridden later in your file.