> For the complete documentation index, see [llms.txt](https://linux-tutorial-cli.gitbook.io/linux-cli-tutorial/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://linux-tutorial-cli.gitbook.io/linux-cli-tutorial/txt-files/expect.md).

# expect

## expect

The `expect` command in Linux is a scripting language that is used to automate interactions with interactive programs. It can be used to control programs that require user input, such as login prompts, interactive shells, and network protocols.

The `expect` command is used in the following syntax:

```
expect [options] script_file
```

The `script_file` is a file that contains the `expect` script. The `expect` script is a sequence of commands that are used to interact with the interactive program.

For example, the following `expect` script will log into a remote server:

```
spawn ssh user@remote_server
expect "password:"
send "password\n"
expect "\$"
```

This script will first spawn the `ssh` command to log into the remote server. The `expect` command will then wait for the prompt "password:". When the prompt is displayed, the `send` command will send the password to the remote server. The `expect` command will then wait for the prompt "$". When the prompt is displayed, the script will exit.

The `expect` command is a powerful and versatile tool that can be used to automate interactions with interactive programs. It is a valuable command to know, especially if you need to automate tasks that require user input.

Here are some additional things to note about the `expect` command:

* The `expect` command is a scripting language.
* The `expect` command can be used to automate interactions with interactive programs.
* The `expect` command is a powerful and versatile tool.

I hope this helps! Let me know if you have any other questions.

## help

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