Then you have two logins tagged to the console, one of these is the login for the active user, and the other is attached to an X Server (the: 0 indicates the X Windows System screen reference).
然后,您将拥有两个到控制台的、标记的登录,其中一个是活动用户的登录,而另一个则附加到x服务器(:0表示X窗口系统的屏幕参考)。
The data in column two is to use column one (x data) as reference.
第2列中的数据使用第1列(x数据)作为参照。
It is reflexive: for any non-null reference value x, x.equals (x) should return true.
具有反射性:对于任何非空的参考值x, x.e quals (x)应该返回真值。
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