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  2. List of GNU Core Utilities commands - Wikipedia

    en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

    Name Description chcon: Changes file security context chgrp: Changes file group ownership chown: Changes file ownership chmod: Changes the permissions of a file or directory cp: Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in ...

  3. Existence detection - Wikipedia

    en.wikipedia.org/wiki/Existence_detection

    An existence check before reading a file can catch and/or prevent a fatal error, for instance. For that reason, most programming language libraries contain a means of checking whether a file exists. An existence check can sometimes involve a " brute force " approach of checking all records for a given identifier, as in this Microsoft Excel ...

  4. Linux Assigned Names and Numbers Authority - Wikipedia

    en.wikipedia.org/wiki/Linux_Assigned_Names_and...

    The Linux Assigned Names and Numbers Authority (LANANA) is a central registry of names and numbers used within Linux.It was created in 2000 by H. Peter Anvin.As of 2013, it along with Filesystem Hierarchy Standard matters had moved under the Linux Standard Base, which itself operates under Linux Foundation's auspices per Russ Herrold.

  5. List of filename extensions (S–Z) - Wikipedia

    en.wikipedia.org/wiki/List_of_filename_extensions...

    Visual Basic .Net project file Visual Basic .Net Express and Visual Studio 2003-2010 Project VBR: Visual Basic Custom Control file Visual Basic: VBS: VBScript script file VBScript: VBX: Visual Basic eXtension: Visual Basic: VC: VeraCrypt Disk Encrypted file Open Source VeraCrypt: VC6: Graphite – 2D and 3D drafting Ashlar-Vellum: VCLS ...

  6. find (Unix) - Wikipedia

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

    The possible search criteria include a pattern to match against the filename or a time range to match against the modification time or access time of the file. By default, find returns a list of all files below the current working directory, although users can limit the search to any desired maximum number of levels under the starting directory.

  7. List of file systems - Wikipedia

    en.wikipedia.org/wiki/List_of_file_systems

    UMSDOS, UVFAT – FAT file systems extended to store permissions and metadata (and in the case of UVFAT, VFAT long file names), used for Linux; UnionFS – stackable unification file system, which can appear to merge the contents of several directories (branches), while keeping their physical content separate

  8. Device file - Wikipedia

    en.wikipedia.org/wiki/Device_file

    In Unix-like operating systems, a device file, device node, or special file is an interface to a device driver that appears in a file system as if it were an ordinary file. There are also special files in DOS , OS/2 , and Windows .

  9. Unix filesystem - Wikipedia

    en.wikipedia.org/wiki/Unix_filesystem

    Unix directories do not contain files. Instead, they contain the names of files paired with references to so-called inodes, which in turn contain both the file and its metadata (owner, permissions, time of last access, etc., but no name). Multiple names in the file system may refer to the same file, a feature termed a hard link. [1]