It can also be used in some cases as a useful debugging tool: some Linux (or at least UNIX) utilities (and even daemons) do not display error messages, only the errno value.

在有些情况下，它还可作为有用的调试工具使用：有些Linux(至少是UNIX)实用程序(甚至是守护程序)不显示错误消息，而只显示errno值。

youdao

To allow such a power devote itself entirely, it is hereby to declare the Declaration of Resurrection, as a tool for individual self-cultivation, and create a proper value.

为了让这种力量能无限奉献它可以奉献的一切，现宣布复活宣言，作为个人进行自我修养的工具，并创造出应有的价值。

youdao

As a two blade high tech sword, the Internet can promote the moving of the global communication, as well as a tool to transmit a single cultural concept of value.

作为一把高科技双刃剑，网络在促进全球资讯流通的同时，也可以被用作传播某种单一文化价值观念的工具。

youdao

Expect to hear from politicians who fail to understand and appreciate the value of Business Aviation as a tool for growth.

FORBES: Budget Cuts Could Have Dire Consequences For Business Aviation

Interestingly enough, the common desktop reference guide "The Dictionary of Cultural Literacy" best sums up the Bible's value as a tool of cultural literacy.

WSJ: Roma Downey and Mark Burnett: Why Public Schools Should Teach the Bible

The team clamored for me to continue re-enforcing its value as a tool that kept everyone on the same page.

FORBES: A simple habit to advance your startup or career