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Command-line interfaces can be intimidating for newcomers and inconvenient for the experienced due to the need to remember numerous commands and their associated options. Bash, the default shell on many Linux distributions, includes a feature known as "Bash completion" which helps users manage the complexity by providing automatic suggestions and completions when users type commands. Bash completion is a functionality through which the Bash shell automatically suggests or completes file names, command names, and other arguments when a user types a command and presses the Tab key. This feature significantly speeds up the typing of commands by reducing the amount of text the user needs to type and helps avoid typographical errors.