How can I know the Appium is Running?

If has any Terminal command What I can konw the Appium status。

you can check output with “ps -ax | grep appium”

when appium running:

ps -ax | grep appium
81896 ttys000    0:00.00 grep appium
81885 ttys001    0:03.35 node /usr/local/bin/appium

does not run:

aleks:~ Aleksei$ ps -ax | grep appium
81925 ttys000    0:00.00 grep appium