The Linux command may be a utility of the Linux OS . All basic and advanced tasks are often done by executing commands. The commands are all executed on the Linux terminal. The terminal may be a command-line interface to interact with the system, which is analogous to the prompt within the Windows OS. Commands in Linux are case-sensitive. Linux provides a strong command-line interface compared to other operating systems like Windows and MacOS. We can do basic work and advanced run through its terminal. We can do some basic tasks like creating a file, deleting a file, moving a file, and more. In addition, we will also perform advanced tasks like administrative tasks (including package installation, user management), networking tasks (ssh connection), security tasks, and lots of more.