Extract files from ISO CD images in Linux

My ISO image name is openSUSE-11.3-DVD-x86_64.iso, first login Linux as root.

Step # 1: Create a directory /mnt/iso

# mkdir /mnt/iso
# mount -o loop openSUSE-11.3-DVD-x86_64.iso /mnt/iso

Step # 3: Extract file

Now I can easily copy file called file.txt from iso disk image to /tmp directory :

# cd /mnt/iso
# cp file.txt /tmp

Step # 4: Copy gcc-4.5-4.2.x86_64.rpm from ISO disk image:

# cd /mnt/iso/suse/x86
# cp gcc-4.5-4.2.x86_64.rpm /tmp