R REMOVE [-l lib] pkgs
pkgs
 | a list with the names of the packages to be removed. | 
lib
 | the path name of the R library tree to remove from. May be absolute or relative. | 
R REMOVE pkgs to remove the packages in pkgs from
the default library tree (which is rooted at `$RHOME/library').
To remove from the library tree lib instead of the default
one, use R REMOVE -l lib pkgs.
INSTALL