
456 Appendix C
C.3 In Linux World
The Linux operating system usually uses GNU binary
utilities like GNU C compiler gcc, linking loader
ld, library archiver ar, etc. The linker-loader is quite
sophisticated and has many options to control its
actions.
Each process is allocated upto 4 GB of virtual
memory address space, out of which the highest 1 GB
address space, where the kernel routines execute on
behalf of the user process, is invisible to the users
program. This part of the address space is common
between all the processes. The following are the general
properties of Linux environment:
c
loader does not necessarily load full content to