-@var{disk_image} is a raw hard disk image for IDE hard disk 0.
-
-General options:
-@table @option
-@item -M @var{machine}
-Select the emulated @var{machine} (@code{-M ?} for list)
-
-@item -fda @var{file}
-@item -fdb @var{file}
-Use @var{file} as floppy disk 0/1 image (@pxref{disk_images}). You can
-use the host floppy by using @file{/dev/fd0} as filename (@pxref{host_drives}).
-
-@item -hda @var{file}
-@item -hdb @var{file}
-@item -hdc @var{file}
-@item -hdd @var{file}
-Use @var{file} as hard disk 0, 1, 2 or 3 image (@pxref{disk_images}).
-
-@item -cdrom @var{file}
-Use @var{file} as CD-ROM image (you cannot use @option{-hdc} and
-@option{-cdrom} at the same time). You can use the host CD-ROM by
-using @file{/dev/cdrom} as filename (@pxref{host_drives}).
-
-@item -drive @var{option}[,@var{option}[,@var{option}[,...]]]
-
-Define a new drive. Valid options are:
-
-@table @code
-@item file=@var{file}
-This option defines which disk image (@pxref{disk_images}) to use with
-this drive.
-@item if=@var{interface}
-This option defines on which type on interface the drive is connected.
-Available types are: ide, scsi, sd, mtd, floppy, pflash.
-@item bus=@var{bus},unit=@var{unit}
-These options define where is connected the drive by defining the bus number and
-the unit id.
-@item index=@var{index}
-This option defines where is connected the drive by using an index in the list
-of available connectors of a given interface type.
-@item media=@var{media}
-This option defines the type of the media: disk or cdrom.
-@item cyls=@var{c},heads=@var{h},secs=@var{s}[,trans=@var{t}]
-These options have the same definition as they have in @option{-hdachs}.
-@item snapshot=@var{snapshot}
-@var{snapshot} is "on" or "off" and allows to enable snapshot for given drive (see @option{-snapshot}).
-@item cache=@var{cache}
-@var{cache} is "on" or "off" and allows to disable host cache to access data.
-@end table
-
-Instead of @option{-cdrom} you can use:
-@example
-qemu -drive file=file,index=2,media=cdrom
-@end example
-
-Instead of @option{-hda}, @option{-hdb}, @option{-hdc}, @option{-hdd}, you can
-use:
-@example
-qemu -drive file=file,index=0,media=disk
-qemu -drive file=file,index=1,media=disk
-qemu -drive file=file,index=2,media=disk
-qemu -drive file=file,index=3,media=disk
-@end example
-
-You can connect a CDROM to the slave of ide0:
-@example
-qemu -drive file=file,if=ide,index=1,media=cdrom
-@end example
-
-If you don't specify the "file=" argument, you define an empty drive:
-@example
-qemu -drive if=ide,index=1,media=cdrom
-@end example
-
-You can connect a SCSI disk with unit ID 6 on the bus #0:
-@example
-qemu -drive file=file,if=scsi,bus=0,unit=6
-@end example
-
-Instead of @option{-fda}, @option{-fdb}, you can use:
-@example
-qemu -drive file=file,index=0,if=floppy
-qemu -drive file=file,index=1,if=floppy
-@end example
-
-By default, @var{interface} is "ide" and @var{index} is automatically
-incremented:
-@example
-qemu -drive file=a -drive file=b"
-@end example
-is interpreted like:
-@example
-qemu -hda a -hdb b
-@end example
-
-@item -boot [a|c|d|n]
-Boot on floppy (a), hard disk (c), CD-ROM (d), or Etherboot (n). Hard disk boot
-is the default.
-
-@item -snapshot
-Write to temporary files instead of disk image files. In this case,
-the raw disk image you use is not written back. You can however force
-the write back by pressing @key{C-a s} (@pxref{disk_images}).
-
-@item -no-fd-bootchk
-Disable boot signature checking for floppy disks in Bochs BIOS. It may
-be needed to boot from old floppy disks.
-
-@item -m @var{megs}
-Set virtual RAM size to @var{megs} megabytes. Default is 128 MiB.
-
-@item -smp @var{n}
-Simulate an SMP system with @var{n} CPUs. On the PC target, up to 255
-CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
-to 4.
-
-@item -audio-help
-
-Will show the audio subsystem help: list of drivers, tunable
-parameters.
-
-@item -soundhw @var{card1}[,@var{card2},...] or -soundhw all
-
-Enable audio and selected sound hardware. Use ? to print all
-available sound hardware.
-
-@example
-qemu -soundhw sb16,adlib hda
-qemu -soundhw es1370 hda
-qemu -soundhw all hda
-qemu -soundhw ?
-@end example
-
-@item -localtime
-Set the real time clock to local time (the default is to UTC
-time). This option is needed to have correct date in MS-DOS or
-Windows.
-
-@item -startdate @var{date}
-Set the initial date of the real time clock. Valid format for
-@var{date} are: @code{now} or @code{2006-06-17T16:01:21} or
-@code{2006-06-17}. The default value is @code{now}.
-
-@item -pidfile @var{file}
-Store the QEMU process PID in @var{file}. It is useful if you launch QEMU
-from a script.
-
-@item -daemonize
-Daemonize the QEMU process after initialization. QEMU will not detach from
-standard IO until it is ready to receive connections on any of its devices.
-This option is a useful way for external programs to launch QEMU without having
-to cope with initialization race conditions.
-
-@item -win2k-hack
-Use it when installing Windows 2000 to avoid a disk full bug. After
-Windows 2000 is installed, you no longer need this option (this option
-slows down the IDE transfers).
-
-@item -option-rom @var{file}
-Load the contents of @var{file} as an option ROM.
-This option is useful to load things like EtherBoot.
-
-@item -name @var{name}
-Sets the @var{name} of the guest.
-This name will be display in the SDL window caption.
-The @var{name} will also be used for the VNC server.
-
-@end table
-
-Display options:
-@table @option
-
-@item -nographic
-
-Normally, QEMU uses SDL to display the VGA output. With this option,
-you can totally disable graphical output so that QEMU is a simple
-command line application. The emulated serial port is redirected on
-the console. Therefore, you can still use QEMU to debug a Linux kernel
-with a serial console.
-
-@item -no-frame
-
-Do not use decorations for SDL windows and start them using the whole
-available screen space. This makes the using QEMU in a dedicated desktop
-workspace more convenient.
-
-@item -full-screen
-Start in full screen.
-
-@item -vnc @var{display}[,@var{option}[,@var{option}[,...]]]
-
-Normally, QEMU uses SDL to display the VGA output. With this option,
-you can have QEMU listen on VNC display @var{display} and redirect the VGA
-display over the VNC session. It is very useful to enable the usb
-tablet device when using this option (option @option{-usbdevice
-tablet}). When using the VNC display, you must use the @option{-k}
-parameter to set the keyboard layout if you are not using en-us. Valid
-syntax for the @var{display} is
-
-@table @code
-
-@item @var{interface}:@var{d}
-
-TCP connections will only be allowed from @var{interface} on display @var{d}.
-By convention the TCP port is 5900+@var{d}. Optionally, @var{interface} can
-be omitted in which case the server will bind to all interfaces.
-
-@item @var{unix}:@var{path}
-
-Connections will be allowed over UNIX domain sockets where @var{path} is the
-location of a unix socket to listen for connections on.
-
-@item none
-
-VNC is initialized by not started. The monitor @code{change} command can be used
-to later start the VNC server.
-
-@end table
-
-Following the @var{display} value there may be one or more @var{option} flags
-separated by commas. Valid options are
-
-@table @code
-
-@item password
-
-Require that password based authentication is used for client connections.
-The password must be set separately using the @code{change} command in the
-@ref{pcsys_monitor}
-
-@item tls
-
-Require that client use TLS when communicating with the VNC server. This
-uses anonymous TLS credentials so is susceptible to a man-in-the-middle
-attack. It is recommended that this option be combined with either the
-@var{x509} or @var{x509verify} options.
-
-@item x509=@var{/path/to/certificate/dir}
-
-Valid if @option{tls} is specified. Require that x509 credentials are used
-for negotiating the TLS session. The server will send its x509 certificate
-to the client. It is recommended that a password be set on the VNC server
-to provide authentication of the client when this is used. The path following
-this option specifies where the x509 certificates are to be loaded from.
-See the @ref{vnc_security} section for details on generating certificates.
-
-@item x509verify=@var{/path/to/certificate/dir}
-
-Valid if @option{tls} is specified. Require that x509 credentials are used
-for negotiating the TLS session. The server will send its x509 certificate
-to the client, and request that the client send its own x509 certificate.
-The server will validate the client's certificate against the CA certificate,
-and reject clients when validation fails. If the certificate authority is
-trusted, this is a sufficient authentication mechanism. You may still wish
-to set a password on the VNC server as a second authentication layer. The
-path following this option specifies where the x509 certificates are to
-be loaded from. See the @ref{vnc_security} section for details on generating
-certificates.
-
-@end table
-
-@item -k @var{language}
-
-Use keyboard layout @var{language} (for example @code{fr} for
-French). This option is only needed where it is not easy to get raw PC
-keycodes (e.g. on Macs, with some X11 servers or with a VNC
-display). You don't normally need to use it on PC/Linux or PC/Windows
-hosts.
-
-The available layouts are:
-@example
-ar de-ch es fo fr-ca hu ja mk no pt-br sv
-da en-gb et fr fr-ch is lt nl pl ru th
-de en-us fi fr-be hr it lv nl-be pt sl tr
-@end example
-
-The default is @code{en-us}.
-
-@end table
-
-USB options:
-@table @option
-
-@item -usb
-Enable the USB driver (will be the default soon)
-
-@item -usbdevice @var{devname}
-Add the USB device @var{devname}. @xref{usb_devices}.
-@end table
-
-Network options:
-
-@table @option
-
-@item -net nic[,vlan=@var{n}][,macaddr=@var{addr}][,model=@var{type}]
-Create a new Network Interface Card and connect it to VLAN @var{n} (@var{n}
-= 0 is the default). The NIC is an ne2k_pci by default on the PC
-target. Optionally, the MAC address can be changed. If no
-@option{-net} option is specified, a single NIC is created.
-Qemu can emulate several different models of network card.
-Valid values for @var{type} are
-@code{i82551}, @code{i82557b}, @code{i82559er},
-@code{ne2k_pci}, @code{ne2k_isa}, @code{pcnet}, @code{rtl8139},
-@code{smc91c111}, @code{lance} and @code{mcf_fec}.
-Not all devices are supported on all targets. Use -net nic,model=?
-for a list of available devices for your target.
-
-@item -net user[,vlan=@var{n}][,hostname=@var{name}]
-Use the user mode network stack which requires no administrator
-privilege to run. @option{hostname=name} can be used to specify the client
-hostname reported by the builtin DHCP server.
-
-@item -net tap[,vlan=@var{n}][,fd=@var{h}][,ifname=@var{name}][,script=@var{file}]
-Connect the host TAP network interface @var{name} to VLAN @var{n} and
-use the network script @var{file} to configure it. The default
-network script is @file{/etc/qemu-ifup}. Use @option{script=no} to
-disable script execution. If @var{name} is not
-provided, the OS automatically provides one. @option{fd}=@var{h} can be
-used to specify the handle of an already opened host TAP interface. Example:
-
-@example
-qemu linux.img -net nic -net tap
-@end example
-
-More complicated example (two NICs, each one connected to a TAP device)
-@example
-qemu linux.img -net nic,vlan=0 -net tap,vlan=0,ifname=tap0 \
- -net nic,vlan=1 -net tap,vlan=1,ifname=tap1
-@end example
-
-
-@item -net socket[,vlan=@var{n}][,fd=@var{h}][,listen=[@var{host}]:@var{port}][,connect=@var{host}:@var{port}]
-
-Connect the VLAN @var{n} to a remote VLAN in another QEMU virtual
-machine using a TCP socket connection. If @option{listen} is
-specified, QEMU waits for incoming connections on @var{port}
-(@var{host} is optional). @option{connect} is used to connect to
-another QEMU instance using the @option{listen} option. @option{fd}=@var{h}
-specifies an already opened TCP socket.
-
-Example:
-@example
-# launch a first QEMU instance
-qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
- -net socket,listen=:1234
-# connect the VLAN 0 of this instance to the VLAN 0
-# of the first instance
-qemu linux.img -net nic,macaddr=52:54:00:12:34:57 \
- -net socket,connect=127.0.0.1:1234
-@end example
-
-@item -net socket[,vlan=@var{n}][,fd=@var{h}][,mcast=@var{maddr}:@var{port}]
-
-Create a VLAN @var{n} shared with another QEMU virtual
-machines using a UDP multicast socket, effectively making a bus for
-every QEMU with same multicast address @var{maddr} and @var{port}.
-NOTES:
-@enumerate
-@item
-Several QEMU can be running on different hosts and share same bus (assuming
-correct multicast setup for these hosts).
-@item
-mcast support is compatible with User Mode Linux (argument @option{eth@var{N}=mcast}), see
-@url{http://user-mode-linux.sf.net}.
-@item
-Use @option{fd=h} to specify an already opened UDP multicast socket.
-@end enumerate
-
-Example:
-@example
-# launch one QEMU instance
-qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
- -net socket,mcast=230.0.0.1:1234
-# launch another QEMU instance on same "bus"
-qemu linux.img -net nic,macaddr=52:54:00:12:34:57 \
- -net socket,mcast=230.0.0.1:1234
-# launch yet another QEMU instance on same "bus"
-qemu linux.img -net nic,macaddr=52:54:00:12:34:58 \
- -net socket,mcast=230.0.0.1:1234
-@end example
-
-Example (User Mode Linux compat.):
-@example
-# launch QEMU instance (note mcast address selected
-# is UML's default)
-qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
- -net socket,mcast=239.192.168.1:1102
-# launch UML
-/path/to/linux ubd0=/path/to/root_fs eth0=mcast
-@end example
-
-@item -net none
-Indicate that no network devices should be configured. It is used to
-override the default configuration (@option{-net nic -net user}) which
-is activated if no @option{-net} options are provided.
-
-@item -tftp @var{dir}
-When using the user mode network stack, activate a built-in TFTP
-server. The files in @var{dir} will be exposed as the root of a TFTP server.
-The TFTP client on the guest must be configured in binary mode (use the command
-@code{bin} of the Unix TFTP client). The host IP address on the guest is as
-usual 10.0.2.2.
-
-@item -bootp @var{file}
-When using the user mode network stack, broadcast @var{file} as the BOOTP
-filename. In conjunction with @option{-tftp}, this can be used to network boot
-a guest from a local directory.
-
-Example (using pxelinux):
-@example
-qemu -hda linux.img -boot n -tftp /path/to/tftp/files -bootp /pxelinux.0
-@end example
-
-@item -smb @var{dir}
-When using the user mode network stack, activate a built-in SMB
-server so that Windows OSes can access to the host files in @file{@var{dir}}
-transparently.
-
-In the guest Windows OS, the line:
-@example
-10.0.2.4 smbserver
-@end example
-must be added in the file @file{C:\WINDOWS\LMHOSTS} (for windows 9x/Me)
-or @file{C:\WINNT\SYSTEM32\DRIVERS\ETC\LMHOSTS} (Windows NT/2000).
-
-Then @file{@var{dir}} can be accessed in @file{\\smbserver\qemu}.
-
-Note that a SAMBA server must be installed on the host OS in
-@file{/usr/sbin/smbd}. QEMU was tested successfully with smbd version
-2.2.7a from the Red Hat 9 and version 3.0.10-1.fc3 from Fedora Core 3.
-
-@item -redir [tcp|udp]:@var{host-port}:[@var{guest-host}]:@var{guest-port}
-
-When using the user mode network stack, redirect incoming TCP or UDP
-connections to the host port @var{host-port} to the guest
-@var{guest-host} on guest port @var{guest-port}. If @var{guest-host}
-is not specified, its value is 10.0.2.15 (default address given by the
-built-in DHCP server).
-
-For example, to redirect host X11 connection from screen 1 to guest
-screen 0, use the following:
-
-@example
-# on the host
-qemu -redir tcp:6001::6000 [...]
-# this host xterm should open in the guest X11 server
-xterm -display :1
-@end example
-
-To redirect telnet connections from host port 5555 to telnet port on
-the guest, use the following:
-
-@example
-# on the host
-qemu -redir tcp:5555::23 [...]
-telnet localhost 5555
-@end example
-
-Then when you use on the host @code{telnet localhost 5555}, you
-connect to the guest telnet server.
-
-@end table
-
-Linux boot specific: When using these options, you can use a given
-Linux kernel without installing it in the disk image. It can be useful
-for easier testing of various kernels.