Unix Power Tools. Chief among the the unsung heroes of Linux and Unix is m4. Unsung? Well, for instance, although m4 has been a standard part of Unix since version 7, no mention is made of it in that ...

The macro language is a character-based language. Even variables that appear to be numeric are generally treated as character variables (except during expression evaluation). Therefore, the macro ...

When you installed Linux, you installed a lot of cool programs, many of which you use every day. At the same time hundreds of little utilities also got installed, simply because they were required by ...

If we told you that a C preprocessor hack dated back to 1968, you’d be within your rights to remind us that C didn’t exist in 1968. However, assemblers with preprocessors did, and where there is a ...