How to Create Users in Linux | How to Create/Add Users in Linux

### Linux Command Line Basics Tutorials: `useradd` and `adduser`

Welcome to our Linux Command Line Basics Tutorial series! In this video, we'll be exploring two essential commands for user management in Linux: `useradd` and `adduser`. These commands are crucial for system administrators and anyone looking to manage user accounts on a Linux system. By the end of this tutorial, you'll understand how to create and manage user accounts efficiently using both `useradd` and `adduser` commands.

**What You Will Learn:**

1. **Introduction to `useradd` and `adduser`:**
- Overview of the purpose and functionality of each command.
- Differences between `useradd` and `adduser`.

2. **Basic Usage of `useradd`:**
- Syntax and options for the `useradd` command.
- Creating a new user account with `useradd`.
- Setting user-specific options such as home directory, shell, and user ID.

3. **Basic Usage of `adduser`:**
- Understanding the `adduser` script and its interactive mode.
- Step-by-step guide to creating a new user account with `adduser`.
- Setting user details interactively.

4. **Advanced Options and Customization:**
- Customizing user accounts with `useradd` options.
- Managing user groups and setting primary and supplementary groups.
- Setting account expiration and password policies.

5. **Common Use Cases and Examples:**
- Practical examples of adding users with specific requirements.
- Troubleshooting common issues and errors.

**Commands Covered:**

1. **`useradd` Command:**
- Basic syntax:
```bash
sudo useradd [options] username
```
- Creating a user with a specific home directory:
```bash
sudo useradd -m -d /home/username username
```
- Setting a default shell for the user:
```bash
sudo useradd -s /bin/bash username
```
- Adding a user to supplementary groups:
```bash
sudo useradd -G group1,group2 username
```

2. **`adduser` Command:**
- Basic usage:
```bash
sudo adduser username
```
- Adding a user interactively with `adduser`:
```bash
sudo adduser username
```
- This will prompt for user details like password, full name, room number, etc.

**Additional Tips:**

- **Setting Passwords:**
After creating a user, set a password using the `passwd` command:
```bash
sudo passwd username
```

- **Managing User Accounts:**
- Modifying existing user details:
```bash
sudo usermod [options] username
```
- Deleting a user account:
```bash
sudo userdel username
```

**Conclusion:**

By following this tutorial, you will gain a solid understanding of how to use the `useradd` and `adduser` commands to manage user accounts on a Linux system. Whether you are a beginner or an experienced user, mastering these commands will enhance your ability to effectively administer Linux systems.

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This tutorial will empower you to manage user accounts on a Linux system efficiently, using both `useradd` and `adduser` commands. Whether you're setting up a new user or managing existing accounts, these commands are fundamental tools in your Linux administration toolkit.