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  2. echo (command) - Wikipedia

    en.wikipedia.org/wiki/Echo_(command)

    In computing, echo is a command that outputs the strings that are passed to it as arguments. It is a command available in various operating system shells and typically used in shell scripts and batch files to output status text to the screen [1] or a computer file, or as a source part of a pipeline.

  3. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Change the file ownership PDP-7 UNIX cksum: Filesystem Mandatory Write file checksums and sizes 4.4BSD cmp: Filesystem Mandatory Compare two files; see also diff Version 1 AT&T UNIX comm: Text processing Mandatory Select or reject lines common to two files Version 4 AT&T UNIX command: Shell programming Mandatory Execute a simple command ...

  4. Bash (Unix shell) - Wikipedia

    en.wikipedia.org/wiki/Bash_(Unix_shell)

    Bash can execute the vast majority of Bourne shell scripts without modification, with the exception of Bourne shell scripts stumbling into fringe syntax behavior interpreted differently in Bash or attempting to run a system command matching a newer Bash builtin, etc. Bash command syntax includes ideas drawn from the Korn Shell (ksh) and the C ...

  5. Shell script - Wikipedia

    en.wikipedia.org/wiki/Shell_script

    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 text.

  6. Comparison of command shells - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_command_shells

    Command-line completion in Bash. Completion features assist the user in typing commands at the command line, by looking for and suggesting matching words for incomplete ones. Completion is generally requested by pressing the completion key (often the Tab ↹ key). Command name completion is the completion of the name of a command.

  7. Unix shell - Wikipedia

    en.wikipedia.org/wiki/Unix_shell

    A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems. The shell is both an interactive command language and a scripting language , and is used by the operating system to control the execution of the system using shell scripts .

  8. List of FTP commands - Wikipedia

    en.wikipedia.org/wiki/List_of_FTP_commands

    Modify the creation time of a file. MFF The 'MFMT', 'MFCT', and 'MFF' Command Extensions for FTP: Modify fact (the last modification time, creation time, UNIX group/owner/mode of a file). MFMT The 'MFMT', 'MFCT', and 'MFF' Command Extensions for FTP: Modify the last modification time of a file. MIC RFC 2228 Integrity Protected Command MKD RFC 959

  9. script (Unix) - Wikipedia

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

    A script session is captured in file name typescript by default; to specify a different filename follow the script command with a space and the filename as such: script recorded_session. The recorded format of script consists of plain-text timing information (for the whole session) and verbatim command output, including whatever ANSI escape ...