
objcopy | 333
Linux
Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
yxdomain domain-name
Perform updates only if there is a preexisting record with
the name domain-name.
yxrset domain-name [class] type [data]
Perform updates only if there is a preexisting record of
the specified type and class for domain-name.Ifdata is
given, the RDATA of the specified resource must match it
exactly. When no class is given, IN is assumed.
send
Send the current message. Same as entering a blank line.
server servername [port]
Update records on DNS server servername instead of the
master server listed in the MNAME field of the appropriate
zone’s SOA record.
show
Print all commands in current message.
update command
Update the records according to one of the following
commands:
add domain-name [ttl][class] type data
Add a resource record with the specified values.
delete domain-name [ttl][class][type [data]]
Delete resource records for domain-name. The ttl field is
always ignored, but if other fields are given, only delete
records that match all criteria.
zone zonename
Apply updates to the specified zonename.Ifnozone command
is given, nsupdate attempts to determine the correct zone
based on other input.
objcopy
objcopy [options] infile [outfile]
Copy the contents of the input object file to another file, option-
ally changing the file format in the process (but ...