Though this file is ACL (Access Control List)-protected by root only access, it may not be enough for highly secure systems.

尽管这个文件由 ACL (Access Control List) 保护，只允许根用户访问，但是这对于安全性要求高的系统可能不够。

youdao

"In the longer run you can only curb piracy if you address the root causes on land.

VOA: standard.2009.10.30

Mr Black said many domain registries like Nominet felt frustrated by Icann's stance, given that the root servers only held a database of the 300 or so computers with detailed lists of which domain was where.

BBC: Net's servers under scrutiny

Thus it gradually cut itself off from the only root of the power by which it might gain that role.

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But while the game is popular in Chile and Uruguay, it's in Argentina that it has really taken root, second only to football which envelopes the entire national psyche.

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