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netmask

The Free On-line Dictionary of Computing (foldoc)

A 32-bit {bit mask} which shows how an {Internet
address} is to be divided into network, {subnet} and host
parts. The netmask has ones in the bit positions in the 32-bit address which are to be used for the network and subnet
parts, and zeros for the host part. The mask should contain
at least the standard network portion (as determined by the
address's {class}), and the subnet field should be contiguous
with the network portion.

If a `' (plus sign) is given for the netmask value, then the
network number is looked up in the {NIS} netmasks.byaddr map
(or in the /etc/netmasks) file if not running the NIS service.

{Unix manual page}: ifconfig(8).

(1995-01-30)

请选择你想看的字典辞典：

单词	字典	翻译
netmask	查看　netmask　在百度字典中的解释	百度英翻中〔查看〕
netmask	查看　netmask　在Google字典中的解释	Google英翻中〔查看〕
netmask	查看　netmask　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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