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Chapter 12. Resource Management
Red Hat Enterprise Linux 7 features control groups, cgroups, which is a concept for organizing processes in a tree of named groups for the purpose of resource management. They provide a way to hierarchically group and label processes and a way to apply resource limits to these groups. In Red Hat Enterprise Linux 7, control groups are exclusively managed through
systemd. Control groups are configured in systemd unit files and are managed with systemd's command line interface (CLI) tools.
Control groups and other resource management features are discussed in detail in the Resource Management and Linux Containers Guide.