====== Ubuntu - ISO - Get information on an ISO file ======

The **isoinfo** utility can be used to gather information in a ISO file or on a CD and verify the integrity of an iso9660 image.

^Command Option^Description^
|-h|Help and summary of options.|
|-d|Primary volume descriptor (PVD) of iso9660 image.|
|-f|Use find output formatting.|
|-i /path-of-image|Path of image to examine.  An alternative of dev=/dev/cdrom|
|dev=/dev/cdrom|Path of image to examine.  An alternative to -i /path-of-image.|
|-p|Output path table information.|
|-R|Print permissions, file names and ownerships (Rock Ridge extensions).|
|-J|Print file names (Joliet extensions).|
|-T sector|Print info about multi-session images.|

----

===== Examples =====

List contents of an iso file: 

<code bash>
isoinfo -f -R -i isoFile.iso
</code>

----

List info about a CD: 

<code bash>
isoinfo -d -i /dev/cdrom
</code>

returns:

<code bash>
CD-ROM is in ISO 9660 format
System id: LINUX
Volume id: FC/3 x86_64
Volume set id:
Publisher id:
Data preparer id:
Application id: FC/3 x86_64
Copyright File id:
Abstract File id:
Bibliographic File id:
Volume set size is: 1
Volume set sequence number is: 1
Logical block size is: 2048
Volume size is: 326239
El Torito VD version 1 found, boot catalog is in sector 123
Joliet with UCS level 3 found
Rock Ridge signatures version 1 found
Eltorito validation header:
    Hid 1
    Arch 0 (x86)
    ID ''
    Key 55 AA
    Eltorito defaultboot header:
        Bootid 88 (bootable)
        Boot media 0 (No Emulation Boot)
        Load segment 0
        Sys type 0
        Nsect 4
        Bootoff 7C 124
</code>


<WRAP info>
**NOTE:**  The block and volume size can be used as input to the following command to:

  * Find the check sum of the CD: <code bash>
dd if=/dev/cdrom bs=2048 count=326239 conv=notrunc,noerror | md5sum </code>(Linux 2.6 kernel 2.6: /media/cdrecorder)
  * Create an iso image: <code bash>
dd if=/dev/cdrom bs=2048 count=326239 conv=notrunc,noerror > file-name.iso</code>
</WRAP>