In Unix, all the instructions outside the kernel are executed in the context of a process. A process is a sequence of instructions and each process has a block of controlled data associated with it. Processes can be manipulated in a way similar to how files can be manipulated.

What is system process in Linux?

In Linux, a process is any active (running) instance of a program. But what is a program? Well, technically, a program is any executable file held in storage on your machine. Anytime you run a program, you have created a process.

What is system process in Unix operating system?

A program/command when executed, a special instance is provided by the system to the process. This instance consists of all the services/resources that may be utilized by the process under execution. Whenever a command is issued in Unix/Linux, it creates/starts a new process.