Learn Python the Hard Way: A Deceptively Simple Introduction to the Terrifyingly Beautiful World of Computers and Data Science5th Edition by Zed A. Shaw

Author:Zed A. Shaw
Language: eng
Format: epub
Published: 2023-12-28T11:21:54+00:00

EXERCISE 39: BEYOND JUPYTER FOR MACOS/LINUX

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Starting Jupyter

Since you’re already using Jupyter, it helps to know how to start it while you’re in Bash. The easiest way is with the jupyter-lab command:

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jupyter-lab

You can run a specific notebook by adding it to the command:

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jupyter-lab Untitled.ipynb

See the following instructions on using open to help you find your files with your mouse.

Getting Help

Usually you can get help for a command by adding either -h or --help to the command like this: 1

man -h

This tends to fail with some commands, so the other way to get help is to use the man command to print out the “manual” for the command:

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man ls

This will print out the entire documentation for the ls command. I usually try -h first, and if that doesn’t work, then I use man.

Where Are You with open?

You’ve spent most of your time using the Finder window to navigate your computer. If you don’t know what “Finder” is, it’s just the GUI window that opens when you click on a folder. In fact, you’ll usually call something a “folder” and in the Terminal you’ll call it a “directory” when they’re exactly the same thing.

I’ve spent most of my computer life using some kind of Terminal and shell to navigate computers, so I’m familiar with “seeing” the computer via the text outputs. You can use the command open to connect your view of the computer through graphics to my view of the computer through text like this: 1

open .

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