Raspberry Pi tutorials


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    lesson 3:

    pwd print working directory

    ls list

    cd change directory

    cd .. up one directory

    Paths: what, where

    other examples:

    ls -la shows hidden files

    ls / root folder

    ls ~/ home folder

    ls .. list folders up one level

    /home/pi your home directory (as user called pi)

    lesson 4:

    sudo shutdown

    sudo halt

    power down

    clear clear the terminal window

    mkdir create a folder

    example: mkdir yada

    n.b. make sure not to use spaces, use underline instead

    rmdir remove directory

    example: rmdir yada

    verify this with the file browser (top left menu)

    create a folder, navigate there, then use nano

    nano file editor

    sudo nano filename.txt

    creates a file, you type

    when you are done, control-o means overwrite (save)

    control-x means exit

    to read the file:

    cat filename.txt

    (he says it means catalog. this is wrong, it stands for concatenate, a much more complex word)

    also look into less and more commands

    if you are ever stuck, you can enter:

    man less (manual pages for the command less, or any command)