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  2. tee (command) - Wikipedia

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

    /A Append the pipeline content to the output file(s) rather than overwriting them. Note: When tee is used with a pipe, the output of the previous command is written to a temporary file. When that command finishes, tee reads the temporary file, displays the output, and writes it to the file(s) given as command-line argument.

  3. Named pipe - Wikipedia

    en.wikipedia.org/wiki/Named_pipe

    Named pipes cannot be created as files within a normal filesystem, unlike in Unix. Also unlike their Unix counterparts, named pipes are volatile (removed after the last reference to them is closed). Every pipe is placed in the root directory of the named pipe filesystem (NPFS), mounted under the special path \\.\pipe\ (that is, a pipe named ...

  4. COMMAND.COM - Wikipedia

    en.wikipedia.org/wiki/COMMAND.COM

    Redirect standard output, overwriting target file if it exists. command >> filename Redirect standard output, appending to target file if it exists. command1 | command2 Pipe standard output from command1 to standard input of command2 command1 ¶ command2 Commands separated by ASCII-20 (¶, invoked by Ctrl+T) are executed in sequence (chaining ...

  5. Inter-process communication - Wikipedia

    en.wikipedia.org/wiki/Inter-process_communication

    Anonymous pipe: A unidirectional data channel using standard input and output. Data written to the write-end of the pipe is buffered by the operating system until it is read from the read-end of the pipe. Two-way communication between processes can be achieved by using two pipes in opposite "directions". All POSIX systems, Windows Named pipe

  6. Redirection (computing) - Wikipedia

    en.wikipedia.org/wiki/Redirection_(computing)

    If the merged output is to be piped into another program, the file merge sequence 2>&1 must precede the pipe symbol, thus, find /-name.profile 2 > & 1 | less A simplified but non-POSIX conforming form of the command, command > file 2 > & 1 is (not available in Bourne Shell prior to version 4, final release, or in the standard shell Debian ...

  7. List of DOS commands - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_commands

    EDIT is a full-screen text editor, included with MS-DOS versions 5 and 6, [1] OS/2 and Windows NT to 4.0 The corresponding program in Windows 95 and later, and Windows 2000 and later is Edit v2.0. PC DOS 6 and later use the DOS E Editor and DR-DOS used editor up to version 7.

  8. Process substitution - Wikipedia

    en.wikipedia.org/wiki/Process_substitution

    This pipe will be accessible with something like /dev/fd/63; you can see it with a command like echo <(true). Execute the substituted command in the background (sort file2 in this case), piping its output to the anonymous pipe. Execute the primary command, replacing the substituted command with the path of the anonymous pipe.

  9. Pipeline (Unix) - Wikipedia

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

    An important aspect of this, setting Unix pipes apart from other pipe implementations, is the concept of buffering: for example a sending program may produce 5000 bytes per second, and a receiving program may only be able to accept 100 bytes per second, but no data is lost. Instead, the output of the sending program is held in the buffer.