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List of command line commands to know

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    I have a few points on why you should start using your command line from the very get go. Not every system or machine comes with a GUI and if it does, not every GUI is ubiquitous. The command is fast, easy to automate.

    • cd - change directory

    • ls - list directory contents

    • pwd - print working directory

    • mkdir - make directory

    • rmdir - remove directory

    • cat - show file contents

    • man - command manual

    • less - show file contents by page

    • rm - remove file

    • echo - repeat input

    Shell is the command interpreter to interface with the system. Terminal runs shell applications (bash, zsh are some examples of shell applications).

    echo $0 shows you what shell application you're in.

    VIM

    • i - insert mode (text editing)
    • `ESC - command mode (primary mode)
    • : - last line mode (searching, saving, exiting)
    • ESC :q! - quit vim