ld - the link editor

[Andrew Koenig]

> My question is...why do you want to control the link process in that
> way.  For example, why would you want to change the entry point for a program,
> or other such subtle memory allocation features.  Are there any "easy to
> identify with" reasons, or is this a remnant from days gone by when Unix
> was an academic subject only.

Features of this sort in linkers are often crucial when
using the linker to build an operating system kernel.