What is iso file in linux

How to mount an ISO image/file under Linux

H ow do you mount ISO file on Linux using the CLI and GUI app? First, try to understand an ISO image. It is an archive file (disk image) of an optical disc using a conventional ISO (International Organization for Standardization) format. ISO image files typically have a file extension of .ISO. The name “ISO” comes from the ISO 9660 file system used with CD-ROM or DVD media, but an ISO image can also contain UDF file system because UDF is backward-compatible to ISO 9660. You can mount an ISO file or images via the loop device under Linux. It is possible to specify transfer functions (for encryption/decryption or other purposes) using loop device. This page explains how to mount ISO files on Linux.

How to Mount ISO File on Linux

1. Create the mount point directory on Linux: sudo mkdir /mnt/iso
2. Mount the ISO file on Linux: sudo mount -o loop /path/to/my-iso-image.iso /mnt/iso
3. Verify it, run: mount OR df -H OR ls -l /mnt/iso/
4. Unmount the ISO file using: sudo umount /mnt/iso/

More about loop devices on Linux

The loop device is a block device that maps its data blocks not to a physical device such as a hard disk or optical disk drive, but to the blocks of a regular file in a filesystem or to another block device. This can be useful for example to provide a block device for a filesystem image stored in a file, so that it can be mounted with the mount command.

A loop device is a pseudo-device that makes a file accessible as a block device. Loop devices are often used for CD ISO images and floppy disc images. Mounting a file containing a filesystem via such a loop mount makes the files within that filesystem accessible. They appear in the mount point directory using following Linux commands. So, how do you mount an ISO image file under Linux? You need to use the mount commandas follows:

Let us see all commands and examples in details.

Procedure to mount ISO file/images under Linux

First, you must login as a root user, if not root user then switch to root user using the su command:
$ su —
One can use the sudo command:
$ sudo -i
Next, create the directory i.e. mount point using the mkdir command, run:
# mkdir -p /mnt/disk
Finally, use the mount command as follows to mount iso file called disk1.iso:
# mount -o loop disk1.iso /mnt/disk
OR
# mount -o loop /path/to/disk1.iso /mnt/disk
Verify it with the df command or mount command:
# df -H
# mount
# ls -l /mnt/disk/
Change directory to list files stored inside an ISO image:
# cd /mnt/disk/
# ls -l
To copy files using the cp command:
$ cp file1 file2 /home/vivek/Downloads

Mounting ISO files on Linux using mount command

How do I unmount the ISO image on Linux?

Use the following command to unmount the ISO file/image on Linux:
$ sudo umount /mnt/disk/
OR
$ sudo umount /path/to/disk1.iso
Verify it:
$ df -H
$ mount
$ ls -l /mnt/disk/

How to mount an ISO file using a GUI app on Linux

Not a fan of the CLI? Try image management utility called furiusisomount:

Furius ISO Mount is a simple application for mounting ISO, IMG, BIN, MDF and NG image files even without burning them to disk. It provides the following features:
1. Automatically Mounts ISO, IMG, BIN, MDF and NRG image files.
2. Creates a mount point in your home directory.
3. Unmounts the Image files and mnd more.

How to install furiusisomount app

Type the following apt-get command/apt command on a Debian/Ubuntu/Mint Linux:
$ sudo apt install furiusisomount
Start furiusisomount:
$ furiusisomount &
Sample outputs:

Mount an ISO file on Linux using Furius ISO Mount GUI app

Just select an ISO image an click on the mount button. Open your file browser:

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View mounted iso image in Ubuntu Linux file manager

Mounting ISO Files using Linux Gnome or KDE GUI

Conclusion

You learned how to use the mount, unmount command and GUI apps for mounting the ISO9660 images or files. For more information see:

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Comments on this entry are closed.

Cheers, worked like a charm 🙂

Quick comment:
You need the kernel module loop for it; people that get the error about it in mount should get the latest copy of the linux source and proceed to compile the correct module which is under block devices
Other than that it works 😉

Just what i needed, mahalo!

Thanks! This was very very easy to find and follow. I’m new to linux and this is the reason I made the swicth, the help that everyone give make learning linux easy and fun. Thank you for your time, thank you!

sweet! worked cleanly, no stupid paid software for windows needed to do such a simple task!

Looks like we cant mount it for RW. Bloody well then.

You’d have to finalize the RW disc so that it becomes an iso image. You can still erase the disc later.

I think he means mounting the iso file for reading and writing.

This tip was a great help! I only need to read the iso for installations so thanks a heap!

richard, to edit bootable ISO mount it as it’s described here, copy it’s contents to some directory, edit files you need and generate new ISO by command:

sudo mkisofs -o /tmp/new.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -J -R -V “new iso name” .

Works like a charm. It kept me from Burning a DVD for a computer that didn’t read DVDs. I did a Net Install of Linux over FTP. I copied the File to a Linux FTP Server, mounted the ISO and did an install. Sweet.

But what if I don’t have root? Or am too lazy to su or sudo?

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3 Ways to Extract and Copy Files from ISO Image in Linux

Let’s say you have a large ISO file on your Linux server and you wanted to access, extract or copy one single file from it. How do you do it? Well in Linux there are couple ways do it.

For example, you can use standard mount command to mount an ISO image in read-only mode using the loop device and then copy the files to another directory.

Mount or Extract ISO File in Linux

To do so, you must have an ISO file (I used ubuntu-16.10-server-amd64.iso ISO image) and mount point directory to mount or extract ISO files.

First create an mount point directory, where you will going to mount the image as shown:

Once directory has been created, you can easily mount ubuntu-16.10-server-amd64.iso file and verify its content by running following command.

Mount ISO File in Linux

Now you can go inside the mounted directory (/mnt/iso) and access the files or copy the files to /tmp directory using cp command.

Copy Files From ISO File in Linux

Note: The -r option used to copy directories recursively, if you want you can also monitor progress of copy command.

Extract ISO Content Using 7zip Command

If you don’t want to mount ISO file, you can simply install 7zip, is an open source archive program used to pack or unpack different number of formats including TAR, XZ, GZIP, ZIP, BZIP2, etc..

Once 7zip program has been installed, you can use 7z command to extract ISO file contents.

7zip – Extract ISO File Content in Linux

Note: As compared to Linux mount command, 7zip seems much faster and smart enough to pack or unpack any archive formats.

Extract ISO Content Using isoinfo Command

The isoinfo command is used for directory listings of iso9660 images, but you can also use this program to extract files.

As I said isoinfo program perform directory listing, so first list the content of ISO file.

List ISO Content in Linux

Now you can extract a single file from an ISO image like so:

Note: The redirection is needed as -x option extracts to stdout.

Extract Single File from ISO in Linux

Well, there are many ways to do, if you know any useful command or program to extract or copy files from ISO file do share us via comment section.

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Run an ISO file in Linux?

I have mounted an ISO file on my Linux machine. It’s an ISO file to install Windows 7. It’s mounted but I have no idea how to run it. There are EXE files inside, but I don’t think I should touch them (even if I try I can’t because they are windows EXE files). I really want to uninstall Linux because I can’t update or install any new software — or even connect to the internet. So does anyone know how to run the ISO after it is mounted?

3 Answers 3

What you probably need to do is is to loopmount the iso, not burn it.

We will use sudo- which elevates accounts according to the sudoers file — i assume that its a standard ubuntu system and uses that. if doing this as root, ignore the ‘sudo’ in front of commands. These commands should work as the user you created during install without any additional work. All this is in terminal, so you can just copy and paste the commands with the appropriate changes.

Create a mountpoint if you haven’t already (you seem to have, but lets assume you haven’t)

make mountpoint by

mount file at /home/user/Desktop/disk1.iso to mountpoint — this uses the standard mount command

sudo mount -o loop /home/user/Desktop/disk1.iso /mnt/disk

However you will not be able to start a windows install from linux

wretrOvian’s suggestion is the easiest way.

But if you don’t want / can’t burn the disk you can use Virtual box to help you. Windows generally doesn’t support shifting from one hardware configuration to another, so you have to use the virtual machine to initiate the process and continue the rest by rebooting into the setup environment.

In pre-Vista era, windows setup has two steps — file copying and install. Normally you get an option to copy all the installation files to a partition and run setup from there. I think you can’t do this if you boot from the CD/iso, so you have to find a working Windows PE image first.

For Vista and above, the installation process seems to be simple disk imaging, so you can go through the most of the setup until the reboot after file expansion.

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