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Red Hat Certified System Administrator EX200 (RHEL 10) · Domain 4: Operate running systems

Identifying CPU- and memory-intensive processes with top, ps aux --sort and killing them (kill, pkill, signals 15 and 9)

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Last reviewed September 25, 2026 · Leer en español

A process is a running instance of a program, identified by a process ID (PID). When a system is slow, your job is to find which processes are using the CPU or memory and decide whether to stop them. The RHCSA expects you to identify such processes and terminate them correctly.

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