Linux with Operating System Concepts

Chapter 4

Managing Processes

This chapter’s learning objectives are

• To understand the parent–child relationship between processes in Linux
• To understand the different ways an operating system can manage processes
• To understand the role of the effective UID and GID for processes
• To understand the difference between foreground and background processes and be able to move Linux processes between the two
• To understand the tools available in Linux to monitor running processes
• To understand niceness and how to adjust process priorities
• To understand the ways that processes can terminate and how to use kill, killall

4.1 Introduction

A process is a running program. Processes can be started from the GUI or the command line. Processes can also start ...