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  2. Repair permissions - Wikipedia

    en.wikipedia.org/wiki/Repair_permissions

    With it enabled, root privileges are no longer able to change system files and folders, including their permissions. Permissions repairs are instead performed automatically upon system installs and updates. [4] To that end, Disk Utility as well as the corresponding diskutil command-line utility lost the ability to repair permissions. [5]

  3. Terminal (macOS) - Wikipedia

    en.wikipedia.org/wiki/Terminal_(macOS)

    As a terminal emulator, the application provides text-based access to the operating system, in contrast to the mostly graphical nature of the user experience of macOS, by providing a command-line interface to the operating system when used in conjunction with a Unix shell, such as zsh (the default interactive shell since macOS Catalina [3]). [4]

  4. chmod - Wikipedia

    en.wikipedia.org/wiki/Chmod

    Adds read and execute permissions for all classes chmod u=rw,g=r,o= internalPlan.txt: Sets read and write permission for user, sets read for Group, and denies access for Others: chmod -R u+w,go-w docs: Adds write permission to the directory docs and all its contents (i.e. Recursively) for owner, and removes write permission for group and others

  5. Programmer's key - Wikipedia

    en.wikipedia.org/wiki/Programmer's_key

    The programmer's key, or interrupt button, is a button or switch on Classic Mac OS-era Macintosh systems, which jumps to a machine code monitor. The symbol on the button is ⎉: U+2389 ⎉ CIRCLED HORIZONTAL BAR WITH NOTCH.

  6. sudo - Wikipedia

    en.wikipedia.org/wiki/Sudo

    After authentication, and if the configuration file permits the user access, the system invokes the requested command. sudo retains the user's invocation rights through a grace period (typically 5 minutes) per pseudo terminal, allowing the user to execute several successive commands as the requested user without having to provide a password again.

  7. umask - Wikipedia

    en.wikipedia.org/wiki/Umask

    allows read permission to be enabled for all user classes; the rest of the mask bits are unchanged umask a-x: prohibits enabling execute permission for all user classes; the rest of the mask bits are unchanged umask a+rw: allows read or write permission to be enabled for all user classes; the rest of the mask bits are unchanged umask +rwx

  8. Access-control list - Wikipedia

    en.wikipedia.org/wiki/Access-control_list

    In computer security, an access-control list (ACL) is a list of permissions [a] associated with a system resource (object or facility). An ACL specifies which users or system processes are granted access to resources, as well as what operations are allowed on given resources. [1] Each entry in a typical ACL specifies a subject and an operation.

  9. Command key - Wikipedia

    en.wikipedia.org/wiki/Command_key

    However, it was still an Apple II. Apple changed the keys on the IIGS's keyboard to Command and Option, as on Mac keyboards, but added an open-Apple to the Command key, for consistency with applications for previous Apple II generations. (The Option key did not have a closed-Apple, probably because Apple II applications used the closed-Apple ...