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  2. Repair permissions - Wikipedia

    en.wikipedia.org/wiki/Repair_permissions

    In systems prior to OS X El Capitan, a permissions repair can be performed by selecting a startup volume and clicking the "Repair Disk Permissions" button in the "First Aid" section of Disk Utility. The operation can also be performed by using the diskutil command-line utility. [6] In El Capitan, the user can instead use two command-line ...

  3. HFS Plus - Wikipedia

    en.wikipedia.org/wiki/HFS_Plus

    HFS Plus or HFS+ (also known as Mac OS Extended or HFS Extended) is a journaling file system developed by Apple Inc. It replaced the Hierarchical File System (HFS) as the primary file system of Apple computers with the 1998 release of Mac OS 8.1. HFS+ continued as the primary Mac OS X file system until it was itself replaced with the Apple File ...

  4. NTFS - Wikipedia

    en.wikipedia.org/wiki/NTFS

    OpenBSD (read-only) ChromeOS. Solaris. ReactOS (read-only) NT File System (NTFS) (commonly called New Technology File System) is a proprietary journaling file system developed by Microsoft in the 1990s. [11][12][2] It was developed to overcome scalability, security and other limitations with FAT. [13]

  5. Application permissions - Wikipedia

    en.wikipedia.org/wiki/Application_permissions

    Application permissions. Permissions are a means of controlling and regulating access to specific system- and device-level functions by software. Typically, types of permissions cover functions that may have privacy implications, such as the ability to access a device's hardware features (including the camera and microphone), and personal data ...

  6. Disk Utility - Wikipedia

    en.wikipedia.org/wiki/Disk_Utility

    The functions currently supported by Disk Utility include: [1] Creation, conversion, backup, compression, and encryption of logical volume images from a wide range of formats read by Disk Utility to .dmg or, for CD/DVD images, .cdr. Mounting, unmounting and ejecting disk volumes (including both hard disks, removable media, and disk volume ...

  7. File system - Wikipedia

    en.wikipedia.org/wiki/File_system

    A local file system is a capability of an operating system that services the applications running on the same computer. [1][2] A distributed file system is a protocol that provides file access between networked computers. A file system provides a data storage service that allows applications to share mass storage.

  8. Mandatory access control - Wikipedia

    en.wikipedia.org/wiki/Mandatory_access_control

    Mandatory access control. In computer security, mandatory access control (MAC) refers to a type of access control by which a secured environment (e.g., an operating system or a database) constrains the ability of a subject or initiator to access or modify on an object or target. [1] In the case of operating systems, the subject is a process or ...

  9. List of file systems - Wikipedia

    en.wikipedia.org/wiki/List_of_file_systems

    Tux3 – An experimental versioning file system intended as a replacement for ext3. UDF – Packet-based file system for WORM/RW media such as CD-RW and DVD, now supports hard drives and flash memory as well. UFS – Unix File System, used on Solaris and older BSD systems. UFS2 – Unix File System, used on newer BSD systems.