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Load average
, 
Battery
, and more.

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Monitoring System Resources
[
 206 
]
Here's an example of 
htop
 configured with a meter for the CPU average.:
Figure 8.8: htop with a meter for CPU average added
When you open 
htop
, you will see a list of processes for every user on the system. 
When you have a situation where you don't already know which user/process is 
causing extreme load, this is ideal. However, a very useful trick (if you want to 
watch a specific user) is to press 
u
 on your keyboard, which will open up the 
Show 
processes of:
 menu. In this menu, you can highlight a specific user by highlighting it 
with the up or down arrow keys and then pressing 
Enter
 to only show processes for 
that user. This will greatly narrow down the list of processes.
Depending on your environment, function keys may not work 
correctly in terminal programs such as 
htop
, because those keys 
may be mapped to something else. For example, 
F10
 to quit 
htop
 
may not work if 
F10
 is mapped to a function within your terminal 
emulator, and using a virtual machine solution such as VirtualBox 
may also prevent some of these keys from working normally.

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Chapter 8