Manual Reference Pages - MKUZIP (8)
- compress disk image for use with
utility compresses a disk image file so that the
class will be able to decompress the resulting image at run-time.
This allows for a significant reduction of size of disk image at
the expense of some CPU time required to decompress the data each
time it is read.
works in two phases:
image is split into clusters; each cluster is compressed using
- The resulting set of compressed clusters along with headers that allow
locating each individual cluster is written to the output file.
The options are:
Name of the output file
The default is to use the input name with the suffix
Split the image into clusters of
bytes, 16384 bytes by default.
should be a multiple of 512 bytes.
Display verbose messages.
The compression ratio largely depends on the cluster size used.
For large cluster sizes (16K and higher), typical compression ratios
are only 1-2% less than those achieved with
However, it should be kept in mind that larger cluster
sizes lead to higher overhead in the
class, as the class has to decompress the whole cluster even if
only a few bytes from that cluster have to be read.
inserts a short shell script at the beginning of the generated image,
which makes it possible to
the image just like any other shell script.
The script tries to load the
class if it is not loaded, configure the image as an
disk device using
and automatically mount it using
on the mount point provided as the first argument to the script.
.An Maxim Sobolev Aq sobomax@FreeBSD.org
Visit the GSP FreeBSD Man Page Interface.
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