$ geteltorito -o g4uj29us.bin g4uj29us.iso
Booting catalog starts at sector: 20
Manufacturer of CD: NERO BURNING ROM
Image architecture: x86
Boot media type is: harddisk
El Torito image starts at sector 27 and has 63488 sector(s) of 512 Bytes
Image has been written to file "g4uj29us.bin".
$ file g4uj29us.bin
g4uj29us.bin: DOS/MBR boot sector; partition 1 : ID=0x4, active, start-CHS (0x0,1,1), end-CHS (0x1e,63,32), startsector 32, 63456 sectors
$ sudo losetup -vf g4uj29us.bin
$ losetup -a
/dev/loop0: []: (/home/tj/Downloads/g4uj29us.bin)
$ sudo partprobe /dev/loop0
$ grep loop /proc/partitions
7 0 31744 loop0
259 0 31728 loop0p1
$ sudo mount /dev/loop0p1 /mnt/tmp
$ ls -altr /mnt/tmp
total 204
drwxr-xr-x 7 root root 16384 Jan 1 1970 .
-rwxr-xr-x 1 root root 9349 Dec 31 1993 WINA20.386
-r-xr-xr-x 1 root root 37174 Dec 31 1993 IBMDOS.COM
-r-xr-xr-x 1 root root 40758 Dec 31 1993 IBMBIO.COM
-rwxr-xr-x 1 root root 54654 Dec 31 1993 COMMAND.COM
-rwxr-xr-x 1 root root 14160 Nov 18 1994 HIMEM.SYS
-rwxr-xr-x 1 root root 12663 Apr 23 1999 RAMDRIVE.SYS
drwxr-xr-x 4 root root 2048 Apr 4 2008 System Volume Information
drwxr-xr-x 2 root root 2048 Apr 4 2008 Recycled
drwxr-xr-x 3 root root 2048 Apr 4 2008 FLASH
-rwxr-xr-x 1 root root 58 Apr 4 2008 AUTOEXEC.BAT
-rwxr-xr-x 1 root root 123 Apr 15 2009 CONFIG.SYS
drwxr-xr-x 2 root root 2048 Oct 30 2012 $RECYCLE.BIN
drwxr-xr-x 3 root root 2048 Oct 30 2012 EFI
drwxr-xr-x 12 root root 4096 Oct 25 21:51 ..