1970,
 1970,
1970,1970,
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        One of the developers of this operating system, AT&T, dropped out of Multics and developed their own operating system in 1970 called Unics.
这个操作系统的开发者之一AT&T后来退出了Multics,并在1970年开发了自己的名为Unics的操作系统。
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