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  2. sudo - Wikipedia

    en.wikipedia.org/wiki/Sudo

    sudo (/ s uː d uː / [4]) is a program for Unix-like computer operating systems that enables users to run programs with the security privileges of another user, by default the superuser. [5] It originally stood for "superuser do", [ 6 ] as that was all it did, and this remains its most common usage; [ 7 ] however, the official Sudo project ...

  3. Comparison of privilege authorization features - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_privilege...

    sudo centralizes all privilege authorization information in a single configuration file, /etc/sudoers, which contains a list of users and the privileged applications and actions that those users are permitted to use. The grammar of the sudoers file is intended to be flexible enough to cover many different scenarios, such as placing restrictions ...

  4. Polkit - Wikipedia

    en.wikipedia.org/wiki/Polkit

    It is also possible to use polkit to execute commands with elevated privileges using the command pkexec followed by the command intended to be executed (with root permission). [9] However, it may be preferable to use sudo, as this command provides more flexibility and security, in addition to being easier to configure. [10]

  5. Windows Subsystem for Linux - Wikipedia

    en.wikipedia.org/wiki/Windows_Subsystem_for_Linux

    Windows Subsystem for Linux GUI (WSLg) is built with the purpose of enabling support for running Linux GUI applications (X11 and Wayland) on Windows in a fully integrated desktop experience. [34] WSLg was officially released at the Microsoft Build 2021 conference and is included in Windows 10 Insider build 21364 or later. [ 20 ]

  6. Superuser - Wikipedia

    en.wikipedia.org/wiki/Superuser

    The default user account created in Windows systems is an administrator account. Unlike macOS, Linux, and Windows Vista/7/8/10 administrator accounts, administrator accounts in Windows systems without UAC do not insulate the system from most of the pitfalls of full root access.

  7. Privilege (computing) - Wikipedia

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

    A privilege is applied for by either an executed program issuing a request for advanced privileges, or by running some program to apply for the additional privileges. An example of a user applying for additional privileges is provided by the sudo command to run a command as superuser ( root ) user, or by the Kerberos authentication system.

  8. Access-control list - Wikipedia

    en.wikipedia.org/wiki/Access-control_list

    A filesystem ACL is a data structure (usually a table) containing entries that specify individual user or group rights to specific system objects such as programs, processes, or files. These entries are known as access-control entries (ACEs) in the Microsoft Windows NT, [4] OpenVMS, and Unix-like operating systems such as Linux, macOS, and ...

  9. Protection ring - Wikipedia

    en.wikipedia.org/wiki/Protection_ring

    When a hierarchy of modes exists (ring-based security), faults and exceptions at one privilege level may destabilize only the higher-numbered privilege levels. Thus, a fault in Ring 0 (the kernel mode with the highest privilege) will crash the entire system, but a fault in Ring 2 will only affect Rings 3 and beyond and Ring 2 itself, at most.