===== Go command =====

==== What is it? ====
`go` is the official command-line tool for Go to build, run, test, and manage modules.

==== What is it used for? ====
  * Run programs quickly during development.
  * Build binaries for deployment.
  * Run tests and benchmarks.
  * Manage dependencies with Go modules.

==== Examples ====
  * Check Go version:
    <code bash>
    go version
    </code>

  * Run the project in the current folder:
    <code bash>
    go run .
    </code>

  * Build a binary:
    <code bash>
    go build -o app
    </code>

  * Run tests for all packages:
    <code bash>
    go test ./...
    </code>

==== Hard words (English) ====
  * **command-line** /kəˈmænd laɪn/: dòng lệnh
  * **tool** /tuːl/: công cụ
  * **binary** /ˈbaɪnəri/: file thực thi
  * **deploy** /dɪˈplɔɪ/: triển khai
  * **dependency** /dɪˈpendənsi/: phụ thuộc