新闻 FreeBSD 11.0-BETA4 发布，类 Unix 操作系统 下载

FreeBSD 11.0-BETA4 发布了，FreeBSD是一种自由类Unix操作系统，是由经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。

本次发布主要改进记录如下：

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  The mtx_trylock_spin(9) kernel synchronization primitive was added.
  
  
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  The machdep.disable_msix_migration loader tunable has been re-enabled
  for EC2 AMIs.
  
  
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  The iwm(4) and iwmfw(4) drivers have been updated.
  
  
• 
  The new system hardening options have been fixed to avoid overwriting
  
  
• 
  ther options selected during install time.
  
  
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  Several build-related fixes.
  
  
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  Several miscellaneous bug fixes.
  

下载地址：ftp://ftp.freebsd.org/pub/FreeBSD/releases/ISO-IMAGES/11.0/
FreeBSD 11.0-BETA4 发布，类 Unix 操作系统下载地址