ifconfig output: ipv4 netmask format

Sergey Vinogradov boogie at lazybytes.org
Fri Apr 8 15:40:44 UTC 2011

On 08.04.2011 19:23, Warner Losh wrote:
> On Apr 8, 2011, at 6:08 AM, Sergey Vinogradov wrote:
>> Hi, hackers.
>> I have a question: why ipv4 netmask is displayed by ifconfig in hex format? Isn't dot-decimal notation more human-readable? Will the attached patch break something in the very bad way?
> This is a gratuitous change that would break scripts.  Hex has been used for a very long time, and most people know how to cope.
> If we really wanted to make it human readable, we'd output
> Warner
So, maybe, while following the POLA, we should add an option, as Daniel 
mentioned above? To output the CIDR?


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