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  2. Booting process of Linux - Wikipedia

    en.wikipedia.org/wiki/Booting_process_of_Linux

    SYSLINUX/ISOLINUX is a bootloader that specializes in booting full Linux installations from FAT filesystems. It is often used for boot or rescue floppy discs, live USBs, and other lightweight boot systems. ISOLINUX is generally used by Linux live CDs and bootable install CDs. rEFInd, a boot manager for UEFI systems.

  3. toor (Unix) - Wikipedia

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

    In Unix, it is traditional to keep the root filesystem as small as reasonably possible, moving larger programs and rapidly changing data to other, optional parts of the system. This increases the likelihood that the system can be brought to a semi-usable state in the case of a partial system failure.

  4. Ubuntu - Wikipedia

    en.wikipedia.org/wiki/Ubuntu

    Ubuntu (/ ʊ ˈ b ʊ n t uː / ⓘ uu-BUUN-too) [9] is a Linux distribution derived from Debian and composed mostly of free and open-source software. [10] [11] [12] Ubuntu is officially released in multiple editions: Desktop, [13] Server, [14] and Core [15] for Internet of things devices [16] and robots.

  5. sudo - Wikipedia

    en.wikipedia.org/wiki/Sudo

    The current Linux manual pages for su define it as "substitute user", [9] making the correct meaning of sudo "substitute user, do", because sudo can run a command as other users as well. [10] [11] Unlike the similar command su, users must, by default, supply their own password for

  6. Runlevel - Wikipedia

    en.wikipedia.org/wiki/Runlevel

    Although systemd is, as of 2016, used by default in most major Linux distributions, runlevels can still be used through the means provided by the sysvinit project. After the Linux kernel has booted, the /sbin/init program reads the /etc/inittab file to determine the behavior for each runlevel.

  7. Superuser - Wikipedia

    en.wikipedia.org/wiki/Superuser

    Some OSes, such as macOS and some Linux distributions (most notably Ubuntu [6]), automatically give the initial user created the ability to run as root via sudo – but this is configured to ask them for their password before doing administrative actions. In some cases the actual root account is disabled by default, so it can't be directly used ...

  8. tomsrtbt - Wikipedia

    en.wikipedia.org/wiki/Tomsrtbt

    tomsrtbt (pronounced: Tom's Root Boot) is a very small Linux distribution.It is short for "Tom's floppy which has a root filesystem and is also bootable." [1] Its author, Tom Oehser, touts it as "The most GNU/Linux on one floppy disk", containing many common Linux command-line tools useful for system recovery (Linux and other operating systems.)

  9. Unix security - Wikipedia

    en.wikipedia.org/wiki/Unix_security

    Sudo command on Ubuntu to temporarily assume root privileges. Most Unix and Unix-like systems have an account or group which enables a user to exact complete control over the system, often known as a root account. If access to this account is gained by an unwanted user, this results in a complete breach of the system.