Linux in a Nutshell, Fifth Edition

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Chapter 3: Linux Commands

This is the Title of the Book, eMatter Edition

Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.

Examples

Display entry for host eris:

arp -a eris

Set a permanent cache entry for host illuminati, whose hardware

address you know:

arp -s illuminati 00:05:23:73:e6:cf

Set an ARP proxy for host fnord using the eth0 interface’s hard-

ware address:

arp -Ds fnord eth0 pub

Remove the fnord ARP proxy:

arp -i eth0 -d fnord pub

as

as [options] files

Generate an object file from each specified assembly-language

source file. Object files have the same root name as source files but

replace the .s suffix with .o. There may be some additional system-

specific options.

Options

-- [ | files]

Read input files from standard input, or from files if the pipe is

used.

-a[cdhlmns][=file]

With only the -a option, list source code, assembler listing,

and symbol table. The other options specify additional things

to list or omit:

-ac Omit false conditionals.

-ad Omit debugging directives.

-ah Include the high-level source code, if available.

-al Include an assembly listing.

-am Include macro expansions.

-an Suppress forms processing.

-as Include a symbol listing.

=file

Set the listing filename to file.

--defsym symbol=value

Define the symbol to have the value value, which must be an

integer.

-f Skip whitespace and comment preprocessing.

--fatal-warnings

Treat warnings as errors.

--gstabs

Generate debugging ...