# What is CLI Tool?

*Development · Last updated: September 27, 2026*

> Command Line Interface Tool

It is a small utility program that allows you to perform a specific task by giving written commands to the computer.

## Overview

A CLI tool is software that allows you to communicate with the computer by typing commands from the keyboard instead of clicking with the mouse. Thanks to these tools, developers can manage files, update programs, or test code. It does not have a graphical interface, it runs with text on a black screen.

***Analogy:** It is like a smart assistant that works by typing commands like a typewriter, instead of a stereo with complicated buttons.*

## How it works

You open the terminal or command line application, type the name of the program and the commands specifying the operation you want to perform, and press enter.

## Where it is used

It is widely used in software development processes, server management, and automation scripts.

## Commonly confused with

It is different from normal programs with a graphical interface; it is entirely text-based.

## Questions and answers

**Is it difficult to learn a CLI tool?**

Once you memorize the basic commands, you will find it quite fast and practical.

## Related terms

- [CLI](https://trescout.com/en/dictionary/cli/)
- [Terminal](https://trescout.com/en/dictionary/terminal/)
- [Shell](https://trescout.com/en/dictionary/shell/)
- [SDK](https://trescout.com/en/dictionary/sdk/)

This explanation was written in plain language for TreScout with AI and **machine-translated** from the Turkish original · the Turkish version prevails. If something looks wrong or missing, write to [hello@trescout.com](mailto:hello@trescout.com). [Read in Turkish →](https://trescout.com/dictionary/cli-tool/)

---
Source: TreScout Dictionary · https://trescout.com/en/dictionary/cli-tool/