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  2. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    The AmigaOS Filesystem, AmigaDOS supports a permissions system relatively advanced for a single-user OS. In AmigaOS 1.x, files had Archive, Read, Write, Execute and Delete (collectively known as ARWED) permissions/flags. In AmigaOS 2.x and higher, additional Hold, Script, and Pure permissions/flags were added.

  3. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    A Linux-based system is a modular Unix-like operating system, deriving much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel, the Linux kernel, which handles process control, networking, access to the peripherals, and file systems.

  4. rm (Unix) - Wikipedia

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

    rm (Unix) rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows.

  5. Create, read, update and delete - Wikipedia

    en.wikipedia.org/.../Create,_read,_update_and_delete

    DELETE. In HTTP, the GET (read), PUT (create and update), POST (create - if we don't have `id` or `uuid`), and DELETE (delete) methods are CRUD operations as they have storage management semantics, meaning that they let user agents directly manipulate the states of target resources. [3] The POST method, on the other hand, is a process operation ...

  6. Sticky bit - Wikipedia

    en.wikipedia.org/wiki/Sticky_bit

    Sticky bit. In computing, the sticky bit is a user ownership access right flag that can be assigned to files and directories on Unix-like systems. There are two definitions: one for files, one for directories. For files, particularly executables, superuser could tag these as to be retained in main memory, even when their need ends, to minimize ...

  7. List of Linux distributions - Wikipedia

    en.wikipedia.org/wiki/List_of_Linux_distributions

    Arch Linux is an independently developed, x86-64 general-purpose Linux distribution that strives to provide the latest stable versions of most software by following a rolling-release model. The default installation is a minimal base system, configured by the user to only add what is purposely required. Distribution.

  8. UserLinux - Wikipedia

    en.wikipedia.org/wiki/UserLinux

    UserLinux. UserLinux was a project to create an operating system based on Debian, and targeted at business customers. The goal was to provide businesses with a freely available, high quality operating system accompanied by certifications, service, and support options. The project was initiated by Bruce Perens in late 2003.

  9. User space and kernel space - Wikipedia

    en.wikipedia.org/wiki/User_space_and_kernel_space

    The term user space (or userland) refers to all code that runs outside the operating system's kernel. User space usually refers to the various programs and libraries that the operating system uses to interact with the kernel: software that performs input/output , manipulates file system objects, application software , etc.