Chapter 8  -  Development Tools.Makefile1 -  A first attempt at a makefile.a.h, b.h, c.h   -  Three empty header files.main.c, 2.c, 3.c  -  Three very simple C program files.Makefile2  -  Makefile1 improved and updated to use macros.Makefile3  -  Makefile2 with multiple targets and installation code.foo.c     -  A traditional "Hello World" program.Makefile4  -  Makefile3 simplified through use of built-in rules.Makefile5  -  Makefile4 with the addition of a suffix rule for .cpp files.Makefile6  -  A makefile that manages a library.myapp.1   - An example manual page.file1, file2  -  Two files for testing the diff command.