User is an entity that has the right to use some resources, applications, equipment, process, or system. Operating systems and applications generally have users to authorize and authenticate their actions. Also, users are used to storing data personally in a private area like Home or Users.
User是有权使用某些资源，应用程序，设备，过程或系统的实体。 操作系统和应用程序通常让用户授权并验证其操作。 而且，用户习惯于将数据个人存储在诸如“家”或“用户”之类的私有区域中。
Linux用户 (Linux Users)
Linux is an operating system and it has users to use the system resources via the operating system. Linux has root user which has Administrator rights to change everything in Linux.
Linux是一个操作系统，它使用户可以通过操作系统使用系统资源。 Linux具有root用户，该用户具有管理员权限，可以更改Linux中的所有内容。
根用户 (root User)
root user files are stored in the /root path where the only root can access these files and folders.
root用户文件存储在/root路径中，只有root可以访问这些文件和文件夹。
普通用户(Normal User)
A normal Linux user may have whatever name he wants except root. In this case, we can see the user ismail home directory with the ls command.
普通Linux用户可以使用root以外的其他任何名称。 在这种情况下，我们可以使用ls命令查看用户ismail主目录。
Windows用户(Windows User)
Windows operating systems have also users for resources management. Administrator is the highest level user where other users may have the same level of rights as some action. With modern Windows operating systems like Windows 10, the Administrator-level users are created after installation and no Administrator user is created by default. Below we can see that İsmail Baydan is the Administrator user. We can use net user command with the user name to list user information from the command line like below.
Windows操作系统也具有用于资源管理的用户。 Administrator是最高级别的用户，其他用户可能具有与某些操作相同的权限。 对于Windows 10等现代Windows操作系统，安装后将创建管理员级别的用户，并且默认情况下不会创建任何管理员用户。 在下面我们可以看到İsmail Baydan是管理员用户。 我们可以使用net user命令和用户名来从命令行中列出用户信息，如下所示。
Windows User directories are stored in the system partition where Windows is installed. This is generally the first partition of the system named C:\Users directory like below.
Windows用户目录存储在安装Windows的系统分区中。 通常，这是名为C:\Users目录的系统的第一个分区，如下所示。
Google用户(Google User)
Google users are used to login and store private information for all Google services like Search, Youtube, Gmail, Google Drive, Contacts, Android etc. As we can see below there is a lot of information about a Google User like
Google用户用于登录和存储所有Google服务(如Search, Youtube, Gmail, Google Drive, Contacts, Android等)的私人信息。如下所示，有关Google用户的许多信息，例如
- Privacy&Personalization隐私和个性化
- SecurityAccount Storage安全帐户存储
- Payment付款
- People&Sharing人与共享
翻译自: https://www.poftut.com/what-is-user-in-computing-windows-linux-google/