Most people don't use the command line on a regular basis, so it can be a bit difficult to find the first time. Make sure you understand what the command is supposed to do first, especially if the command involves changing or removing files.

Do not run a command just to see what it does. If you instruct the computer to erase all of your data, it will cheerfully proceed to do so. You have the capability to instruct the computer to do anything it has the capability of doing. NOTE: The command line, as with all power, has its risks. In order to give it commands, we must first start learning the language of the computer.

Unfortunately, the computer does not speak English, or any other language spoken by humans (although it has recognizable elements). The computer is your obedient servant, and will attempt to carry out any command that it understands. The command line is, at its heart, simply a place where you type commands to the computer. Unfortunately, the price of this power is complexity: nobody ever said that ruling your computer would be easy. Using the command line, you can perform amazing feats of wizardry and speed, taming your computer and getting it to do precisely what you want. The command line is the ultimate seat of power on your computer. With more information, if you'd like to learn more. Here's another basic command line tutorial U-boot v2023.04-rc3 Top powered by Elixir 2.This tutorial is for beginner users who want to learn the basics SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2006 Freescale Semiconductor * York Sun */ #include #include extern int do_mac ( struct cmd_tbl * cmdtp, int flag, int argc, char * const argv ) U_BOOT_CMD ( mac, 3, 1, do_mac, 'display and program the system ID and MAC addresses in EEPROM', ' ' 'mac read ' ' - read EEPROM content into memory data structure ' 'mac save ' ' - save memory data structure to the EEPROM ' 'mac id ' ' - program system id per hard coded value ' 'mac num string ' ' - program system serial number to value string ' 'mac errata string ' ' - program errata data to value string ' 'mac date YYMMDDhhmmss ' ' - program date to string value YYMMDDhhmmss ' 'mac ports N ' ' - program the number of network ports to integer N ' 'mac X string ' ' - program MAC addr for port X to colon separated string' )

Macos cmd