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  2. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    Most file systems include attributes of files and directories that control the ability of users to read, change, navigate, and execute the contents of the file system. In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to as permission-driven.

  3. chmod - Wikipedia

    en.wikipedia.org/wiki/Chmod

    File-system permissions; chattr, the command used to change the attributes of a file or directory on Linux systems; chown, the command used to change the owner of a file or directory on Unix-like systems; chgrp, the command used to change the group of a file or directory on Unix-like systems

  4. Sticky bit - Wikipedia

    en.wikipedia.org/wiki/Sticky_bit

    the process has write permission for the file; the process has the P_OWNER privilege; If a 0410 a.out executable file has the sticky bit (mode bit 01000) set, the operating system will not delete the program text from the swap area when the last user process terminates. If a 0413 a.out or ELF executable file has the sticky bit set, the ...

  5. Hidden file and hidden directory - Wikipedia

    en.wikipedia.org/wiki/Hidden_file_and_hidden...

    In computing, a hidden folder (sometimes hidden directory) or hidden file is a folder or file which filesystem utilities do not display by default when showing a directory listing. They are commonly used for storing user preferences or preserving the state of a utility and are frequently created implicitly by using various utilities.

  6. Windows Subsystem for Linux - Wikipedia

    en.wikipedia.org/wiki/Windows_Subsystem_for_Linux

    Microsoft also claims that "WSL requires fewer resources (CPU, memory, and storage) than a full virtual machine" (a common alternative for using Linux in Windows), while also allowing the use of both Windows and Linux tools on the same set of files. [8]

  7. Symbolic link - Wikipedia

    en.wikipedia.org/wiki/Symbolic_link

    The file system permissions of a symbolic link are not used; the access modes of the target file are controlled by the target file's own permissions. Some operating systems, such as FreeBSD, offer the ability to modify file permissions and filesystem attributes of a symbolic link, through lchmod [12] and lchflags [13] system calls respectively.

  8. Knoppix - Wikipedia

    en.wikipedia.org/wiki/Knoppix

    Knoppix is a 32-bit Debian Linux based distro, but recent releases (including the latest version 7.6) have also been equipped with a 64-bit kernel on the DVD edition, where it will automatically boot up for 64-bit computers, or by using the boot option knoppix64 manually in the command-line prompt, while knoppix will boot up the 32-bit kernel ...

  9. Portal:Linux - Wikipedia

    en.wikipedia.org/wiki/Portal:Linux

    Linux (/ ˈ l ɪ n ʊ k s /, LIN-uuks) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds.