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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXIT STATUS | AVAILABILITY | COLOPHON |
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ISOSIZE(8) System Administration ISOSIZE(8)
isosize - output the length of an iso9660 filesystem
isosize [options] iso9660_image_file
This command outputs the length of an iso9660 filesystem that is
contained in the specified file. This file may be a normal file or a
block device (e.g. /dev/hdd or /dev/sr0). In the absence of any
options (and errors), it will output the size of the iso9660
filesystem in bytes. This can now be a large number (>> 4 GB).
-x, --sectors
Show the block count and block size in human-readable form.
The output uses the term "sectors" for "blocks".
-d, --divisor number
Only has an effect when -x is not given. The value shown (if
no errors) is the iso9660 file size in bytes divided by
number. So if number is the block size then the shown value
will be the block count.
The size of the file (or block device) holding an iso9660 filesystem
can be marginally larger than the actual size of the iso9660
filesystem. One reason for this is that cd writers are allowed to
add "run out" sectors at the end of an iso9660 image.
0 success
1 generic failure, such as invalid usage
32 all failed
64 some failed
The isosize command is part of the util-linux package and is
available from Linux Kernel Archive
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩.
This page is part of the util-linux (a random collection of Linux
utilities) project. Information about the project can be found at
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have a
bug report for this manual page, send it to
util-linux@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
2018-02-02. (At that time, the date of the most recent commit that
was found in the repository was 2018-02-01.) If you discover any
rendering problems in this HTML version of the page, or you believe
there is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
util-linux June 2011 ISOSIZE(8)
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