Posts

PROCESS STATES

Image
What is process? The CPU is most important resource of the system and the system has only one CPU. As Linux is a multi-processing operating system which makes the CPU always having a process running on it so that it maximize the CPU utilization. Process is a running instance for a launch of a executable program and it is also known as task. Process consists of: ·          An address space of allocated memory ·          Security properties including ownership credentials ·          One or more execution threads or program code ·          Process states Process State in Linux Let’s us now understand different states of process in Linux. Below diagram shows the process states in Linux: Lets us see each state in brief and try understanding  the whole working: 1)       Running (task running) ...