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  2. mkdir - Wikipedia

    en.wikipedia.org/wiki/Mkdir

    where name_of_directory is the name of the directory one wants to create. When typed as above (i.e. normal usage), the new directory would be created within the current directory. On Unix and Windows (with Command extensions enabled, [15] the default [16]), multiple directories can be specified, and mkdir will try to create all of them.

  3. List of GNU Core Utilities commands - Wikipedia

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

    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 columns and sorted vertically.) dircolors: Set up color for ls: install: Copies files and set attributes ln: Creates a link to a ...

  4. pushd and popd - Wikipedia

    en.wikipedia.org/wiki/Pushd_and_popd

    When called, they use a directory stack to sequentially save and retrieve directories visited by the user. [ 1 ] [ 2 ] They are widely available as builtin commands in many command-line interpreters , such as 4DOS , Bash , [ 3 ] C shell , tcsh , Hamilton C shell , KornShell , cmd.exe and PowerShell , and for various operating systems including ...

  5. Comparison of command shells - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_command_shells

    This is referred to as a "directory stack". The concept had been realized as early as 1978 [50] in the release of the C shell (csh). PowerShell allows multiple named stacks to be used. Locations (directories) can be pushed onto/popped from the current stack or a named stack. Any stack can become the current (default) stack.

  6. List of command-line interpreters - Wikipedia

    en.wikipedia.org/wiki/List_of_command-line...

    There are many variants of Unix shell: Bourne shell sh. Almquist shell (ash) Debian Almquist shell (dash) Bash (Unix shell) bash; KornShell ksh. Z shell zsh; C shell csh. TENEX C shell tcsh; Ch shell ch; Emacs shell eshell; Friendly interactive shell fish; PowerShell pwsh; rc shell rc, a shell for Plan 9 from Bell Labs and Unix; Stand-alone ...

  7. Shell script - Wikipedia

    en.wikipedia.org/wiki/Shell_script

    Editing a FreeBSD shell script for configuring ipfirewall. A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. [1] The various dialects of shell scripts are considered to be command languages. Typical operations performed by shell scripts include file manipulation, program execution, and printing ...

  8. File system - Wikipedia

    en.wikipedia.org/wiki/File_system

    It provides file access, directory operations, security and protection. [7] The virtual file system, an optional layer, supports multiple concurrent instances of physical file systems, each of which called a file system implementation. [8] The physical file system layer provides relatively low-level access to a storage device (e.g. disk).

  9. Virtual directory - Wikipedia

    en.wikipedia.org/wiki/Virtual_directory

    Namespace joining: Create a single large directory by bringing multiple directories together at the namespace level. For instance, if one directory has the namespace "ou=internal,dc=domain,dc=com" and a second directory has the namespace "ou=external,dc=domain,dc=com," then creating a virtual directory with both namespaces is an example of ...