O'Reilly logo

Absolute OpenBSD, 2nd Edition by Michael W. Lucas

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Source Code and Software

Source code is the human-readable instructions for building the actual machine code that makes up a program. You’ve probably already been exposed to some form of source code; if not, go look at a few files under /usr/src (assuming, of course, that you installed the source code as I recommended back in Chapter 3). While you don’t have to read source code, you should be able to recognize it.

Once you have a program’s source code, you build (or compile) the program on the type of system on which you want to run it. (Building software for a foreign platform via cross-compiling demands that you know much more about building software, and is not always possible.) If the software was written for an operating system sufficiently ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required