To see process information in real time, use the
top is a text-based program that shows all processes running and updates every few seconds so you can monitor them in real-time.
The view is separated into two halves - the top half is the system summary, while the bottom half is a table of processes sorted by the CPU activity.
top is sorted by CPU usage by default.
Let's break down just the top half part of
top - 23:07:07 up 13 min, 2 users, load average: 0.02, 0.14, 0.14 Tasks: 160 total, 3 running, 157 sleeping, 0 stopped, 0 zombie %Cpu(s): 31.7 us, 8.9 sy, 0.0 ni, 59.1 id, 0.4 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 501496 total, 495492 used, 6004 free, 2568 buffers KiB Swap: 522236 total, 289316 used, 232920 free. 83052 cached Mem
First row, top:
Another way you can check load average without going through
top is with the
uptime command. You can use this command to quickly check if you have a runaway process that may have hung.
You can access the help screen with the
h key or
?. To quit, press
q. Here are some other commands you may use:
top, like many other commands, come with several options.
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