Ubuntu Unleashed 2015 Edition: Covering 14.10 and 15.04, Tenth Edition

Limiting Resource Use and Job Control

Computer systems run many processes at the same time. This is a good thing and allows users or multiple users to multitask. Some processes require more system resources than others. Occasionally, a resource-intensive process may take up or require so many resources that it slows down the system for other processes. There are ways to deal with this. This section describes a few of the basics. You must have admin privileges to perform any of the actions in this section.