Process internals for UNIX Oracle Tips by Burleson Consulting

Process internals for UNIX

The center of the UNIX operating system is called the UNIX kernel. The kernel is used to implement the interface between UNIX processes to all hardware devices such as disks, RAM the CPU.

User processes interact with UNIX by making system calls to UNIX. These system calls include base UNIX command such as open(), read(), write(), exec(), malloc() and so on, and these system calls are intercepted by the UNIX kernel and processed according to specific rules (Figure 2-1).

The above is an excerpt from the "Oracle9i UNIX Administration Handbook" by Oracle press, authored by Donald K. Burleson.

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