2. The Solaris Process Model
The process is one of the most basic and fundamental abstractions provided by an operating system. A process is an executable object, occupying pages of physical memory containing specific memory segments with instructions (text), stack space, data space, and other components necessary for execution.
Borrowing from the traditional definition, a process is the executable form of a program, and a program is simply a file (or collection of files) created to solve a problem or have the computer perform specific tasks. Users connect to a Solaris system and execute commands through interpreter processes called shells. Applications execute on Solaris as one or more ...
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