因此，在任何时候，相同的用户在不同的机器上登录会得到相同的版本号，但是超期时间不同。
So at any time, the same user logged in from different machines might get the PAC with the same version number but with different expiration times.
如果您的系统已经安装了Webmin，您会得到它的版本号。
If Webmin is installed on your system, you will receive a version number.
例如，如果Linux二进制程序尝试调用uname来得到内核版本，却得到了NetBSD的版本号，这将非常令人迷惑。
For instance, if a Linux binary were to try to call uname to get a kernel version, it would be very confused if it got back a NetBSD version number.
打印的版本号码，(希望)得到一些有益的见解。
Prints the version number and (hopefully) some helpful insights.
取而代之，它应得到所预期的Linux版本号。
我在交谈中得到的印象是Gmail团队并不怎么在意gmail是否有资格得到具体版本号。
I got the impression from our conversation that the Gmail team does not lose much sleep worrying over whether Gmail is worthy of a specific version number.
从if _ spec获得的版本号是一个32位的值，将之与0xffff进行AND计算可以得到主版本，右移16次可以得到次版本。
The version number retrieved from the if_spec is a 32 bit number which is ANDed with 0xffff to get the major version and right shifted 16 times to get the minor number.
从if _ spec获得的版本号是一个32位的值，将之与0xffff进行AND计算可以得到主版本，右移16次可以得到次版本。
The version number retrieved from the if_spec is a 32 bit number which is ANDed with 0xffff to get the major version and right shifted 16 times to get the minor number.
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