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  2. Bootloader unlocking - Wikipedia

    en.wikipedia.org/wiki/Bootloader_unlocking

    Bootloader unlocking is the process of disabling the bootloader security that makes secure boot possible. It can make advanced customizations possible, such as installing custom firmware . On smartphones , this can be a custom Android distribution or another mobile operating system .

  3. Booting process of Linux - Wikipedia

    en.wikipedia.org/wiki/Booting_process_of_Linux

    If UEFI Secure Boot is supported, a "shim" or "Preloader" is often booted by the UEFI before the bootloader or EFI-stub-bearing kernel. [11] Even if UEFI Secure Boot is disabled this may be present and booted in case it is later enabled. It merely acts to add an extra signing key database providing keys for signature verification of subsequent ...

  4. ifconfig - Wikipedia

    en.wikipedia.org/wiki/Ifconfig

    ipconfig, a command similar to ifconfig, comes with Microsoft operating-systems based on the Windows NT kernel. ipconfig also controls the Windows DHCP client. In macOS, the ifconfig command functions as a wrapper to the IPConfiguration agent, and can control the BootP and DHCP clients from the command-line. Use of ifconfig to modify network ...

  5. How to disable Secure Boot on your PC when you need to ... - AOL

    www.aol.com/news/disable-secure-boot-pc-install...

    You can disable Secure Boot by restarting your PC and opening the Unified Extensible Firmware Interface (UEFI).

  6. List of DOS commands - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_commands

    Displays memory usage. It is capable of displaying program size and status, memory in use, and internal drivers. It is an external command. The command is available in MS-DOS versions 4 and later and DR DOS releases 5.0 and later. [1] On earlier DOS versions the memory usage could be shown by running CHKDSK.

  7. fsck - Wikipedia

    en.wikipedia.org/wiki/Fsck

    As boot time fsck is expected to run without user intervention, it generally defaults to not perform any destructive operations. This may be in the form of a read-only check (failing whenever issues are found), or more commonly, a "preen" -p mode that only fixes innocuous issues commonly found after an unclean shutdown (i.e. crash, power fail).

  8. UEFI - Wikipedia

    en.wikipedia.org/wiki/UEFI

    When Secure Boot is enabled, it is initially placed in "setup" mode, which allows a public key known as the "platform key" (PK) to be written to the firmware. Once the key is written, Secure Boot enters "User" mode, where only UEFI drivers and OS boot loaders signed with the platform key can be loaded by the firmware.

  9. dd (Unix) - Wikipedia

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

    dd is a command-line utility for Unix, Plan 9, Inferno, and Unix-like operating systems and beyond, the primary purpose of which is to convert and copy files. [1] On Unix, device drivers for hardware (such as hard disk drives) and special device files (such as /dev/zero and /dev/random) appear in the file system just like normal files; dd can also read and/or write from/to these files ...