![]() In this tutorial, we are going to cover the basic commands that we use in the shell of Linux. ![]() Its distros come in GUI (graphical user interface), but basically, Linux has a CLI (command line interface). So, basically, a shell is a program that receives commands from the user and gives it to the OS to process, and it shows the output. Most of the viruses in the world run on Windows, but not on Linux! Linux Shell or âTerminalâ The term itself comes from a much older era of computing. Halt command halt options This command issues a hardware command that stops all CPU processing. Then instead of triggering the ACPI signal, your system is restarted. The OS that runs in about 80% of the smartphones in the world, Android, is also made from the Linux kernel. Reboot performs the actions of the halt command (explained below), requiring that all processing stop. ![]() This is because Linux is fast, secure, and free! The main problem of using Windows servers are their cost. About 90% of the internet is powered by Linux servers. ![]() Linux is free and open-source, that means that you can simply change anything in Linux and redistribute it in your own name! There are several Linux Distributions, commonly called âdistrosâ. For example, to restart Apache on Ubuntu Linux, you would type sudo systemctl restart apache2 into Terminal. But it was actually created by Linus Torvalds from Scratch. Type sudo systemctl restart service into Terminal, making sure to replace the service part of the command with the command name of the service, and press Enter.
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