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Command Line Interface

Command Line Interface (CLI)

What is CLI?

A Command Line Interface (CLI) is a type of user interface that allows users to interact with a computer or device by typing commands and receiving output in a text-based format.

Characteristics of CLI

  • Text-based input: Users interact with the system by typing commands
  • Text-based output: The system responds to commands with text-based output
  • Scripting: CLIs often support scripting, allowing users to automate tasks

Examples of CLI

  • Terminal (macOS and Linux)
  • Command Prompt (Windows)
  • PowerShell (Windows)
  • Bash (Linux and macOS)

Advantages of CLI

  • Flexibility: CLIs offer a high degree of flexibility and customization
  • Power: CLIs provide direct access to system resources and functionality
  • Efficiency: CLIs can be faster and more efficient than graphical interfaces for certain tasks

Disadvantages of CLI

  • Steep learning curve: CLIs require users to learn specific commands and syntax
  • Error-prone: CLIs can be unforgiving, with small mistakes potentially causing significant issues
  • Limited user support: CLIs often lack the visual cues and support available in graphical interfaces
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