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  2. Superuser - Wikipedia

    en.wikipedia.org/wiki/Superuser

    Regardless of the name, the superuser always has a user ID of 0. The root user can do many things an ordinary user cannot, such as changing the ownership of files and binding to network ports numbered below 1024. The name root may have originated because root is the only user account with permission to modify the root directory of a Unix

  3. Rooting (Android) - Wikipedia

    en.wikipedia.org/wiki/Rooting_(Android)

    Rooting [1] is the process by which users of Android devices can attain privileged control (known as root access) over various subsystems of the device, usually smartphones and tablets. Because Android is based on a modified version of the Linux kernel , rooting an Android device gives access to administrative ( superuser ) permissions similar ...

  4. Privilege (computing) - Wikipedia

    en.wikipedia.org/wiki/Privilege_(computing)

    The user “root” is a special user, something called super-user, which can do anything at all on the system. This high degree power is necessary to fully administer a UNIX system, but it also allows its user to make a mistake and cause system problems.

  5. su (Unix) - Wikipedia

    en.wikipedia.org/wiki/Su_(Unix)

    The Unix command su, which stands for 'substitute user' [1] [2] (or historically 'superuser' [3] [4]), is used by a computer user to execute commands with the privileges of another user account. When executed it invokes a shell without changing the current working directory or the user environment.

  6. Home directory - Wikipedia

    en.wikipedia.org/wiki/Home_directory

    The Unix superuser has access to all directories on the file system, and hence can access home directories of all users. The superuser's home directory on older systems was / , but on many newer systems it is located at /root (Linux, BSD), or /var /root ( Mac OS X ).

  7. Privilege escalation - Wikipedia

    en.wikipedia.org/wiki/Privilege_escalation

    Manufacturers allow rooting through a process they control, while some allow the phone to be rooted simply by pressing specific key combinations at boot time, or by other self-administered methods. Using a manufacturers method almost always factory resets the device, making rooting useless to people who want to view the data, and also voids the ...

  8. Logical security - Wikipedia

    en.wikipedia.org/wiki/Logical_security

    These rights vary from user to user, and can range from anonymous login (guest) privileges to superuser (root) privileges. Guest and superuser accounts are the two extremes, as individual access rights can be denied or granted to each user. Usually, only the system administrator (a.k.a. the superuser) has the ability to grant or deny these rights.

  9. Unix filesystem - Wikipedia

    en.wikipedia.org/wiki/Unix_filesystem

    /root: The home directory for the superuser root - that is, the system administrator. This account's home directory is usually on the initial filesystem, and hence not in /home (which may be a mount point for another filesystem) in case specific maintenance needs to be performed, during which other filesystems are not available.