[R] Plotting Hints - how to add minor tics on axes

[Jason Rupert]

Using the standard plotting routine in R, i.e. no special packages, is there a way to add in minor tics to the axes?  

Also, is there a way to make sure the major axes labels are at the origin?  When I'm looking at a plot, the major axes labels are present, but it looks like they start a bit away from the origin on the plot.  

Thanks again for any info and feedback.