>>>>> On Wed, 03 Oct 2001 20:49:09 +0100
James Pearson writes:
JP> CDs that are bootable on PCs are defined in the 'El Torito' standard - they
(snip)
JP> You can find the extent of the first bootable file on i386 Linux by doing
JP> something like:
I tested that with CDs of Red Hat Linux 7.2 and Kondara
MNU/Linux 2.0 on my Linux box that is based debian potato.
>> My environment
$ od --version
od (GNU textutils) 2.0
$ dpkg -S isoinfo
mkisofs: /usr/share/man/man8/isoinfo.8.gz
mkisofs: /usr/bin/isoinfo
$ mkisofs --version
mkisofs 1.12 (i686-pc-linux-gnu)
>> Case.1 RHL 7.2
$ od -d -j 40 boot.cat
0000050 1000 0 0 0 0 0 0 0
0000070 0 0 0 0 0 0 0 0
*
0003770 0 0 0 0
0004000
$ sudo isoinfo -i /dev/cdrom -R -l | less
-rw-r--r-- 3 0 0 2949120 Apr 8 2001 [ 1000] cdboot.img
>> Case.2 KMN 2.0
$ od -d -j 40 boot.cat
0000050 5146 0 0 0 0 0 0 0
0000070 0 0 0 0 0 0 0 0
*
0003770 0 0 0 0
0004000
$ sudo isoinfo -i /dev/cdrom -R -l | less
-rw-r--r-- 1 0 0 1474560 Jun 8 2001 [ 5146] boot.img
On 2cases, I could find out image file related to boot.cat.
This is great. I thank you so much and sorry that I reply
not immediately. `isoinfo', from xcdroast package, bothered
me by returning wrong value not matching `od' command.
Thanks, James.
Susumu Takuwa
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