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quartz/content/notes/consoles-terminals-shells.md
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title tags
consoles-terminals-shells
cosc202

consoles-terminals-shells

  • console -> io device which is part of a computer (physical terminal)
    • console is the device: -> terminal is program inside that device
  • terminal -> text input output environment (can be remote)
    • windows terminal
  • shell -> program which the terminal/console sends input to which sends command to the OS
    • unix-shell
    • powershell
    • cmd
    • bash, fish, zsh, ksh, sh, tsch

0.1.1 BREIF HISTORY

  1. At first only main console
  2. Then multiple terminals which allowed mulitple people to use one computer
  3. Graphics support
  4. Console + terminal merged
  5. Virtual terminals -> no need for direct hardware control -> replaced by OS