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Linux Command-Line Tools (Shell (Using a shell (Tools (Command completion,…

- - - - Command completion
      - History of commands typed
- - - - Programs accept input via standard input
      - Generally the keyboard
    - - Text-mode programs send most data via standard output
      - Usually the screen
    - - Intended to carry high-priority information (error messages)
      - Usually send to the standard output
  - - - > - creates new file with stdout
      - >> - appends stdout to existing file
      - 2> - creates new file containing stderr
      - < - sends contents of specified file to stdin
      - <> - specified file to be used as stdin & stdout