target就是多个unit的组合系统为了方便管理用target来管理unitsystemctl list-unit-files --type=targetsystemctl list-dependencies multi-user.target //查看指定target下面有哪些unitsystemctl get-default //查看系统默认的targetsystemctl set-default multi-user.target ......
本文摘自 :https://blog.51cto.com/1


