mkfs.ext3

The `mkfs.ext3` command is a tool used to set up and format a storage device, like a hard drive or a partition, with the ext3 file system. This file system organizes data so your operating system can efficiently store, retrieve, and manage files. Running this command prepares the storage device to be used by your system, creating the necessary structures for data storage, including directories and files. Essentially, it's like creating a new filing system on a storage device, ensuring it’s ready for reliable data management.