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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index edb1dceeab..ddb0763495 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -3236,9 +3236,23 @@ Build a virtual machine that contain the operating system declared in The VM shares its store with the host system. @item vm-image -Return a virtual machine image of the operating system declared in -@var{file} that stands alone. Use the @option{--image-size} option to -specify the size of the image. +@itemx disk-image +Return a virtual machine or disk image of the operating system declared +in @var{file} that stands alone. Use the @option{--image-size} option +to specify the size of the image. + +When using @code{vm-image}, the returned image is in qcow2 format, which +the QEMU emulator can efficiently use. + +When using @code{disk-image}, a raw disk image is produced; it can be +copied as is to a USB stick, for instance. Assuming @code{/dev/sdc} is +the device corresponding to a USB stick, one can copy the image on it +using the following command: + +@example +# dd if=$(guix system disk-image my-os.scm) of=/dev/sdc +@end example + @end table @var{options} can contain any of the common build options provided by |