Ethernet host name database
file maps Ethernet addresses to
host names. Lines consist of an address and a host name, separated by any
number of blanks and/or tab characters. A
’ indicates the beginning of a
comment; characters up to the end of the line are not interpreted by routines
which search the file.
Ethernet addresses are expressed as six hexadecimal numbers separated by colons.
The functions described in
can read and produce
file has support for YP
functionality, which is enabled by specifying a
’ alone on a line.
file format was adopted from SunOS
and appeared in NetBSD
A name server should be used instead of a static file.
Lines in /etc/ethers
are limited to
characters (currently 1024). Longer
lines will be ignored.