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how to check the CPU and mem usage of current running process?

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HowTos

We may curious some times why our computer running so slow, and we suspect that must be some programs (process) is running and uses a lots of CPU. We wanna know which process is it, and we have top.

Top is a command that neatly list all processes with valuable info sort by CPU and memory usage. What you type,

top

But some how top is not so interactive, where there is another program call htop which gives you a very interactive top.

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