1 .. _direct_005flinux_005fboot:
6 This section explains how to launch a Linux kernel inside QEMU without
7 having to make a full bootable image. It is very useful for fast Linux
14 |qemu_system| -kernel bzImage -hda rootdisk.img -append "root=/dev/hda"
16 Use ``-kernel`` to provide the Linux kernel image and ``-append`` to
17 give the kernel command line arguments. The ``-initrd`` option can be
18 used to provide an INITRD image.
20 If you do not need graphical output, you can disable it and redirect the
21 virtual serial port and the QEMU monitor to the console with the
22 ``-nographic`` option. The typical command line is:
26 |qemu_system| -kernel bzImage -hda rootdisk.img \
27 -append "root=/dev/hda console=ttyS0" -nographic
29 Use Ctrl-a c to switch between the serial console and the monitor (see