Shell/Terminal Review

When working from the terminal there are a few file based commands that are used on a daily basis and you will need to be comfortable using them through the course.

Common Commands

  • cd - Change Directory
  • mkdir - Make a new Directory
  • touch - Make a new file
  • open - Open file or directory with the default program (based on extension)
  • ls - List all contents of a Directory
  • pwd - Print current path
  • mv - Move or rename a file or directory
  • cp - Copy file or directory
  • rm - Remove file or directory
  • echo - Print out some text
  • less - Open a file in a read only state

Exit Codes

Usually when we run commands from the terminal, they will automatically exit after doing a bit of work. We can also run applications from the terminal that run until we tell them to stop. Other times, there may be an error in a script that makes it hang up. For these situations, it is vital to know the different ways to send manual exit codes to your shell process.

  • CTRL + C - Code 130 - Manual exit from script
  • CTRL + D - End of File

How to exit vim/vi

Cool Shortcuts

  • cd -
  • CTRL + R
  • Tab completion

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