qemu-img:tldr:b484c

The command qemu-img create ${image_name-img} ${gigabytes}G is used to create a disk image file with a specific size using the qemu-img command-line tool.

Here is a breakdown of the command:

• qemu-img: This is the command-line tool used to manipulate disk images for the QEMU virtualization software.

• create: This is the subcommand of qemu-img used to create a new disk image.

• ${image_name-img}: This is a placeholder for the name of the disk image file you want to create. You need to replace ${image_name-img} with the actual name you want to assign to the image file. For example, if you want to name the image file as myimage, you would replace ${image_name-img} with myimage.

• ${gigabytes}: This is a placeholder for the size of the disk image you want to create, specified in gigabytes (GB). You need to replace ${gigabytes} with the desired size for the image. For example, if you want to create a 10GB disk image, you would replace ${gigabytes} with 10.

• G: This is a suffix used to specify that the size is in gigabytes. So, if you specify 10 followed by G, it means 10 gigabytes.

By executing this command with the appropriate values filled in, you would create a new disk image file with the specified name and size. The file would be ready for use in virtualization environments, such as QEMU.