isoinfo.8
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- ."
- ." $Id: isoinfo.8,v 1.2 1999/03/02 03:41:36 eric Exp $
- ."
- ." -*- nroff -*-
- .TH ISOINFO 8 "23 Feb 1997" "Version 1.12b5"
- .SH NAME
- devdump, isoinfo, isovfy, isodump - Utility programs for dumping and verifying iso9660
- images.
- .SH SYNOPSIS
- .B devdump
- .I isoimage
- .PP
- .B isodump
- .I isoimage
- .PP
- .B isoinfo
- [
- .B -h
- ]
- [
- .B -R
- ]
- [
- .B -J
- ]
- [
- .B -f
- ]
- [
- .B -l
- ]
- [
- .B -p
- ]
- [
- .B -T
- .I sector
- ]
- [
- .B -N
- .I sector
- ]
- [
- .B -i
- .I isoimage
- ]
- [
- .B -x
- .I path
- ]
- .PP
- .B isovfy
- .I isoimage
- .SH DESCRIPTION
- .B devdump
- is a crude utility to interactively display the contents of device or
- filesystem images.
- The initial screen is a display of the first 256 bytes of the first 2048 byte
- sector.
- The commands are the same as with
- .BR isodump .
- .PP
- .B isodump
- is a crude utility to interactively display the contents of iso9660 images
- in order to verify directory integrity.
- The initial screen is a display of the first part of the root directory,
- and the prompt shows you the extent number and offset in the extent.
- .RS
- .PP
- You can use the 'a' and 'b'
- commands to move backwards and forwards within the image. The 'g' command
- allows you to goto an arbitrary extent, and the 'f' command specifies
- a search string to be used. The '+' command searches forward for the next
- instance of the search string, and the 'q' command exits
- .B devdump
- or
- .BR isodump .
- .RE
- .PP
- .B isoinfo
- is a utility to perform directory like listings of iso9660 images.
- .PP
- .B isovfy
- is a utility to verify the integrity of an iso9660 image. Most of the tests
- in
- .B isovfy
- were added after bugs were discovered in early versions of
- .B mkisofs.
- It isn't all that clear how useful this is anymore, but it doesn't hurt to
- have this around.
- .SH OPTIONS
- Only the
- .B isoinfo
- program has any command line options. These are:
- .TP
- .B -h
- print a summary of all options.
- .TP
- .B -f
- generate output as if a 'find . -print' command had been run on the iso9660
- image. You should not use the
- .B -l
- image with the
- .B -f
- option.
- .TP
- .B -i iso_image
- Specifies the path of the iso9660 image that we wish to examine.
- .TP
- .B -l
- generate output as if a 'ls -lR' command had been run on the iso9660 image.
- You should not use the
- .B -f
- image with the
- .B -l
- option.
- .TP
- .B -N sector
- Quick hack to help examine single session disc files that are to be written to
- a multi-session disc. The sector number specified is the sector number at
- which the iso9660 image should be written when send to the cd-writer. Not
- used for the first session on the disc.
- .TP
- .B -p
- Print path table information.
- .TP
- .B -R
- Extract information from Rock Ridge extensions (if present) for permissions,
- file names and ownerships.
- .TP
- .B -J
- Extract information from Joliet extensions (if present) for file names.
- .TP
- .B -T sector
- Quick hack to help examine multi-session images that have already been burned
- to a multi-session disc. The sector number specified is the sector number for
- the start of the session we wish to display.
- .TP
- .B -x pathname
- Extract specified file to stdout.
- .SH AUTHOR
- Eric Youngdale <ericy@gnu.ai.mit.edu> or <eric@andante.jic.com> is to blame
- for these shoddy hacks. Patches to improve general usability would be
- gladly accepted.
- .SH BUGS
- The user interface really sucks.
- .SH FUTURE IMPROVEMENTS
- These utilities are really quick hacks, which are very useful for debugging
- problems in mkisofs or in an iso9660 filesystem. In the long run, it would
- be nice to have a daemon that would NFS export a iso9660 image.
- .PP
- The isoinfo program is probably the program that is of the most use to
- the general user.
- .SH AVAILABILITY
- These utilities come with the mkisofs package, and the primary ftp site
- is tsx-11.mit.edu in /pub/linux/BETA/cdrom/mkisofs and many other mirror
- sites. Despite the name, the software is not beta.
- .SH SEE ALSO
- mkisofs(8)