How to create a disk image?

How to create disk image? Surely you had to deal with the files in the format ISO, NRG, IMG or MDS/MDF. Everything is insults drives. What is a disk image? Why do you need it? How to create disk image? The disk image is a virtual copy of the physical disk (floppy disks, hard drive, CD, DVD, and other types of discs). The disk image is not necessarily obtained from real drive, but he completely copies the contents and structure of the data contained on the disk.
How to create a disk image
First images of disks used for data backup only. Now they are used to spread the free software (for example, Linux distributions), as storage devices for virtual machines and emulators. System administrators of organizations often use disk images for the mass installation of software on a large number of identical computers. For this one you are putting the correct drivers and software, can only create an image of the disk and install it on other computers.
The most popular format disk images - this ISO, IMG formats are used and DMG.
To create theіртуальний диSK, you will need a special program. Most programs allow you to not only create disk images, but also edit them, burn on a physical medium, as well as mount in virtual drives. Some of these programs are free, as they say, shake and play a part – conditionally – free (shareware). The free version of shareware programs is limited in functionality, for example, works only for a trial period or not lets you work with images of drives larger than a certain size. To get access to all the functions for the program you want to pay.

How to create a disk image using UltraISO
One of the most famous programs that allow you to create a disk image is UltraISO. It allows you to create, edit, convert, emulate and record images of optical and hard drives, Flash drives and floppy disk drives. Running this program with more than 30 image formats. But it is shareware, and until you pay for the full version, you can not work with images larger than 300 MB.
Creating a disk image using DAEMON Tools
You can also create a disk image using DAEMON Tools. This program exists in four versions (Lite, Pro Standard and Pro Advanced, Net). They all allow you to create and burn disc images, compress images and break them into several files. Lite version is free for home use, other versions you need to buy after the 20-day trial period. In principle, for home use light-version should suffice.
How to create a disk image using Alcohol 120%
Another popular program for creating disk images - Alcohol 120%.
Creating an image using Nero Burning ROM
The application Nero Burning ROM will also help you create a disk image. It can be set as part of the full package of Nero, and separately. The program allows you to copy optical discs and create images formats ISO, CUE, IMG and NRG (Nero proprietary format). As with all programs, described above, it refers to categories of shareware.
Free software to create a disk image
Whether there are free alternatives that allow you to create a disk image? Of course, although they do not differ in such a variety of functions. One of these programs is the ISO Workshop. It supports popular formats disk images and helps make data backup, create copies of CDs, convert images into BIN and ISO and burn them on optical media.
Create disk images allow such free utilities like Free Create-Burn ISO Image, Gizmo Drive, Folder2Iso, ImageUSB and others, not all of them possess the full range of functions. For example, ImageUSB creates only resentment flashes and Folder2Iso creates only images from folders. Therefore, such a program must be used in conjunction with others, which complement the missing features.
As you can see, there are many programs that can help you create a disk image, the choice is yours.