Solaris:-
You want to mount an iso called solaris.iso.
lofiadm -a /solaris.iso /dev/lofi/1
mkdir /mnt/iso1
mount -F hsfs -o ro /dev/lofi/1 /mnt /iso1
To UnMount,
umount /mnt/iso1
lofiadm -d /dev/lofi/1
Linux:-
You want to mount an iso called Linux.iso.
mkdir /mnt/iso1
mount -o loop,ro /root/Linux.iso /mnt/iso1
To UnMount
umount /mnt/iso1
That's it.