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Introduction to the Terminal

The terminal (or command line) is a tool that allows you to control a computer by typing text commands.
It is used by developers, system administrators, and power users because it is fast, powerful, and automatable.


  • Quickly navigate files and directories.
  • Automate repetitive tasks via scripts.
  • Access remote servers.
  • Install and manage software.
  • Troubleshoot issues more easily than with a graphical interface.

Fenêtre de terminal
echo "Hello World"

➡ This command displays text in the terminal.


  • Learn the basic commands before advanced options.
  • Do not run commands without understanding their effect.
  • Use the terminal as a complementary tool to the graphical interface.