July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from 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.
--version
Print version information and exit.
-w In short format, omit the full name.
pmap
pmap [options] pids
Display the memory maps of a process.
Options
-d Display the offset and device number of each mapping.
-q Be more quiet. Displays less header and footer information.
-x Provide a more detailed and verbose display.
-V Display the version number and exit.
portmap
rpc.portmap [options]
NFS/NIS command. RPC program number to IP port mapper.
portmap is a server that converts RPC program numbers to IP port
numbers. It must be running in order to make RPC calls. When an
RPC server is started, it tells portmap which port number it is
listening to and which RPC program numbers it is prepared to
serve. When a client wishes to make an RPC call to a given
program number, it first contacts portmap on the server machine
to determine the port number where RPC packets should be sent.
portmap must be the first RPC server started.
Options
-d Run portmap in debugging mode. Does not allow portmap to
run as a daemon.
-l Bind to loopback device. This only works from the localhost.
-v Verbose mode.
poweroff
poweroff [options]
System administration command. Close out filesystems, shut down
the system, and power off. Because this command immediately
stops all processes, it should be
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.