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Shell Programming and Scripting
Iterative statement to cut values from a line
Post 302287324 by mannepalli on Friday 13th of February 2009 09:51:41 AM
02-13-2009
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LEARN ABOUT ULTRIX
resolv.conf
resolv.conf(5) File Formats Manual resolv.conf(5) Name resolv.conf - resolver configuration file Description The resolver configuration file, contains information that the resolver routines read the first time they are invoked by a process. The resolver file contains ASCII text and lists the name-value pairs that provide various types of resolver information. The file is required if your system is running BIND. This file must contain the BIND domain name for the local area network. If your sys- tem is a BIND client, this file must also contain nameserver entries. There are two entry formats for the file: domain binddomain This line specifies the default domain to append to local host names. If no domain entries are present, the domain returned by after the first dot (.) is used. If the host name does not contain a domain, the root domain is assumed. nameserver address In this entry, the address is the IP address, in dot notation, of the BIND server that should be queried to resolve host name and address information. You should have at least one name server listed. Two or more name servers reduces the possibility of inter- rupted BIND service in the event that one of the servers is down. You can list up to (10) name servers. If more than one server is listed, the resolver library queries you to try them in the order listed. If no name server entries are present, the default is to use the name server on the local machine. The algorithm used is to try a name server, and, if the query times out, to try the next, until out of name servers or the query is resolved. The last step is to repeat trying all the name servers until a maximum number of retries has been made or the query has been resolved. The name value pair must appear on a single line, and the keyword or must start each line. Examples The following is an example of a file: ; ; Data file for a client ; domain cities.us nameserver 128.11.22.33 Lines beginning with a semicolon (;) are comment lines. Files See Also gethostname(2), resolver(3), named(8) Guide to the BIND Service resolv.conf(5)