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XML the local delivery address, and an %F will be replaced with the message’s From address. -n, –norewrite Do not expand local mail IDs to full addresses. This option will disable expected addressing and should only be used to find problems. -P n, –port n Specify a port to connect to on the mail server. The default port numbers for supported protocols are usually sufficient. -p proto, –protocol proto Specify the protocol to use when polling a mail server. proto can be: POP2 Post Office Protocol 2. POP3 Post Office Protocol 3. APOP POP3 with MD5 authentication. RPOP POP3 with RPOP authentication. KPOP POP3 with Kerberos v4 authentication on port 1109. IMAP IMAP2bis, IMAP4, or IMAP4rev1. fetchmail autodetects their capabilities. IMAP-K4 IMAP4 or IMAP4rev1 with Kerberos v4 authentication. IMAP-GSS IMAP4 or IMAP4rev1 with GSSAPI authentication. ETRN ESMTP. -Q string, –qvirtual string Remove the prefix string, which is the local user’s hostid, from the address in the envelope header (such as “Delivered-To:”).

O’Reilly Books Latest LAMP Titles: mod_perl Pocket Reference SQL in a Nutshell Network Printing Books by topic: Linux Open Source Security System and Network Administration Unix Web and Internet O’Reilly Network Technologies: ONJava.com ONLamp.com openp2p.com Perl.com XML.com Apache BSD Java Javascript and CSS Linux Mac Mozilla .NET P2P Perl Policy PHP Python Web Services Wireless messages. Works with IMAP but not well with other protocols, if at all. -D [domain], –smtpaddress [domain] Specify the domain name placed in RCPT TO lines sent to SMTP. The default is the local host. -E header, –envelope header Change the header assumed to contain the mail’s envelope address (usually “X-Envelope-to:”) to header. -e n, –expunge n Tell an IMAP server to EXPUNGE (i.e., purge messages marked for deletion) after n deletes. A setting of 0 indicates expunging only at the end of the session. Normally, an expunge occurs after each delete. -F, –flush For POP3 and IMAP servers, remove previously retrieved messages from the server before retrieving new ones. -f file, –fetchmailrc file Specify a nondefault name for the fetchmail configuration file. -I specification, –interface specification Require that the mail server machine is up and running at a specified IP address (or range) before polling. The specification is given as interface/ipaddress/mask. The first part indicates the type of TCP connection expected (sl0, ppp0, etc.), the second is the IP address, and the third is the bit mask for the IP, assumed to be 255.255.255.255. -K, –nokeep Delete all retrieved messages from the mail server. -k, –keep Keep copies of all retrieved messages on the mail server. -l size, –limit size Set the maximum message size that will be retrieved from a server. Messages larger than this size will be left on the server and marked unread. -M interface, –monitor interface In daemon mode, monitor the specified TCP/IP interface for any activity besides itself, and skip the poll if there is no other activity. Useful for PPP connections that automatically time out with no activity. -m command, –mda command Pass mail directly to mail delivery agent, rather than send to port 25. The command is the path and options for the mailer, such as /usr/lib/sendmail -oem. A %T in the command will be replaced with

Sponsored by: Search | Newsletter | Conference | Tech Jobs O’Reilly’s Emerging Technology Conference: May 13-16, 2002 Articles Linux Apache MySQL Perl PHP Python BSD Essentials What is LAMP? The Best of ONLamp.com aboutSQL Big Scary Daemons FreeBSD Basics HTTP Wrangler Linux in the Enterprise Linux Network Administration The Linux Professional Perl P5P Digest Archive PHP Admin Basics PHP Phanatics Python_News Security Alerts Alphabetical Directory of Linux Commands This directory of Linux commands is from Linux in a Nutshell, 3rd Edition. Click on any of the 379 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Tech Books Online. Buy it now Read it online fetchmail [options] [servers…] System administration command. Retrieve mail from mail servers and forward it to the local mail delivery system. fetchmail retrieves mail from servers that support the common mail protocols POP2, POP3, IMAP2bis, and IMAP4. Messages are delivered via SMTP through port 25 on the local host and through your system’s mail delivery agent (such as sendmail), where they can be read through the user’s mail client. fetchmail settings are stored in the ~/.fetchmailrc file. Parameters and servers can also be set on the command line, which will override settings in the .fetchmailrc file. fetchmail is compatible with the popclient program, and users can use both without having to adjust file settings. Options -a, –all Retrieve all messages from server, even ones that have already been seen but left on the server. The default is to only retrieve new messages. -A type, –auth type Specify the type of authentication. type may be: password, kerberos_v5, or kerberos. Authentication type is usually established by fetchmail by default, so this option isn’t very useful. -B n, –fetchlimit n Set the maximum number of messages (n) accepted from a server per query. -b n, –batchlimit n Set the maximum number of messages sent to an SMTP listener per connection. When this limit is reached, the connection will be broken and reestablished. The default of 0 means no limit. -c, –check Check for mail on a single server without retrieving or deleting Sponsored by:

XML Copyright 2000-2002 O’Reilly & Associates, Inc. All Rights Reserved. All trademarks and registered trademarks appearing on the O’Reilly Network are the property of their respective owners. For problems or assistance with this site, email help@oreillynet.com

O’Reilly Books Latest LAMP Titles: mod_perl Pocket Reference SQL in a Nutshell Network Printing Books by topic: Linux Open Source Security System and Network Administration Unix Web and Internet O’Reilly Network Technologies: ONJava.com ONLamp.com openp2p.com Perl.com XML.com Apache BSD Java Javascript and CSS Linux Mac Mozilla .NET P2P Perl Policy PHP Python Web Services Wireless n Create a new partition; prompt for more information. p Print a list of all partitions and information about each. q Quit; do not save. t Replace the type of the current partition. u Modify the display/entry units, which must be cylinders or sectors. v Verify: check for errors; display a summary of the number of unallocated sectors. w Save changes; exit. Return to: Alphabetical Directory of Linux Commands

Sponsored by: Search | Newsletter | Conference | Tech Jobs O’Reilly’s Emerging Technology Conference: May 13-16, 2002 Articles Linux Apache MySQL Perl PHP Python BSD Essentials What is LAMP? The Best of ONLamp.com aboutSQL Big Scary Daemons FreeBSD Basics HTTP Wrangler Linux in the Enterprise Linux Network Administration The Linux Professional Perl P5P Digest Archive PHP Admin Basics PHP Phanatics Python_News Security Alerts Alphabetical Directory of Linux Commands This directory of Linux commands is from Linux in a Nutshell, 3rd Edition. Click on any of the 379 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Tech Books Online. Buy it now Read it online fdisk [options] [device] System administration command. Maintain disk partitions via a menu. fdisk displays information about disk partitions, creates and deletes disk partitions, and changes the active partition. It is possible to assign a different operating system to each of the four partitions, though only one partition is active at any given time. You can also divide a physical partition into several logical partitions. The minimum recommended size for a Linux system partition is 40MB. Normally, device will be /dev/hda, /dev/hdb, /dev/sda, /dev/sdb, /dev/hdc, /dev/hdd, and so on. See also cfdisk. Options -l List partition tables and exit. -spartition Display the size of partition, unless it is a DOS partition. Commands a Toggle a bootable flag on current partition. d Delete current partition. l List all partition types. m Main menu. Sponsored by:

XML Copyright 2000-2002 O’Reilly & Associates, Inc. All Rights Reserved. All trademarks and registered trademarks appearing on the O’Reilly Network are the property of their respective owners. For problems or assistance with this site, email help@oreillynet.com

O’Reilly Books Latest LAMP Titles: mod_perl Pocket Reference SQL in a Nutshell Network Printing Books by topic: Linux Open Source Security System and Network Administration Unix Web and Internet O’Reilly Network Technologies: ONJava.com ONLamp.com openp2p.com Perl.com XML.com Apache BSD Java Javascript and CSS Linux Mac Mozilla .NET P2P Perl Policy PHP Python Web Services Wireless

Sponsored by: Search | Newsletter | Conference | Tech Jobs O’Reilly’s Emerging Technology Conference: May 13-16, 2002 Articles Linux Apache MySQL Perl PHP Python BSD Essentials What is LAMP? The Best of ONLamp.com aboutSQL Big Scary Daemons FreeBSD Basics HTTP Wrangler Linux in the Enterprise Linux Network Administration The Linux Professional Perl P5P Digest Archive PHP Admin Basics PHP Phanatics Python_News Security Alerts Alphabetical Directory of Linux Commands This directory of Linux commands is from Linux in a Nutshell, 3rd Edition. Click on any of the 379 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Tech Books Online. Buy it now Read it online fdformat [options] device Low-level format of a floppy disk. The device for a standard format is usually /dev/fd0 or /dev/fd1. Option -n Do not verify format after completion. Return to: Alphabetical Directory of Linux Commands Sponsored by:

XML Copyright 2000-2002 O’Reilly & Associates, Inc. All Rights Reserved. All trademarks and registered trademarks appearing on the O’Reilly Network are the property of their respective owners. For problems or assistance with this site, email help@oreillynet.com