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我想找出当前用户使用 SHELL SCRIPT 打开的终端数量。如何为此编写shell脚本?
who | grep root | wc -l替换root为任何用户将告诉您指定用户已打开的终端数量。
who | grep root | wc -l
root
I have an abstract method as part of an abstract class with the following declaration:
abstract public ArrayList<Device> returnDevices(ArrayList<Object>