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Reporter RHNID: ran000
Section: - GUIDED EXERCISE: IDENTIFYING SYSTEM MONITORING TOOLS
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Workaround:

Description: The first Guided Exercise "IDENTIFYING SYSTEM MONITORING
TOOLS" of Chapter 2 says:

5. Using top, locate the process using the most physical memory and kill it.
5.1. Press Shift+R to sort the processes based on resident size (RES). Record the process
ID listed under PID column for the process.

Issue 1: Shift+R is hotkey for toggle sort order, but not for selecting to sort the processes based on resident size.  Shift+M more suitable  to sort by memory usage. BUT:

Issue 2: process stress.py, which the exercise logic is guided by, is characterized not by the highest memory usage, but by the highest CPU usage: Shift+P