1.5. Libtool Development
Over time, Unix systems added support for shared libraries.
Conventional libraries, or static libraries, are linked into a program image. This means that each program that uses a static library includes some or all of the library in the program binary on disk.
Shared libraries, on the other hand, are separate files. A program that uses a shared library does not include a copy of the library; it includes only the name of the library. Many programs can use a single shared library.
Using a shared library reduces disk-space requirements. Because the system can generally share a single executable instance of the shared library among many programs, it also reduces swap-space requirements at runtime. Another advantage is that ...
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