#MAC TERMINAL COMMANDS BOOKS +GITHUB INSTALL#
#MAC TERMINAL COMMANDS BOOKS +GITHUB CODE#

Output: a command/ program can output information for the user.One can use this command to check the return value of the very last command echo $?.

#MAC TERMINAL COMMANDS BOOKS +GITHUB CODE#

If the return value is non-zero, it means an error ocurred and you should go check the error code with the mannual. Usually, the return value is 0, meaning the execution is successful. The return value indicates whether the program executes as expected.

Return value: it is a convention for UNIX-like system/ program to return a value upon completion of execution.

e.g.:įor more functions, you can type man man on terminal to see more. Ls means listing, showing the files in current folder. Please type often pwd and ls to know where you are. Shell commandsįollowing are some elementary commands you should know in terminal. Its the sign that you can input some commands, and after you click the return, the computer will send back the results in next line. And the second line xuyucandeMacbook-pro shows your computer model. The first line represents the last time you log in. When you open terminal, you can see these two lines.

Work can be more efficient with command-line scripts.

Many features of computers are not available in the graphical interface, only through the command line.

The function of the terminal is very powerful, and all the basic operations of the system can be completed in terminal, such as modifying file permissions, hiding/displaying files, and so on. What is the function of the terminal on Mac？

Learn the Jupyter notebook - our major working platform in following weeks.Ībout terminal on Mac What is terminal on Mac？īasically, Terminal is a shell which receives/sends input and output for command-line program.

Learn the interactive mode of Python interpreter - convenient for rapid experimentation.

Create the first python script and execute it.

Be able to navigate file system in Terminal using the shell. If you have the determination to accept this challenge, you will see a brand new yourself at the end of the course. You have to step out your comfort zone, learning from each other and conquer the overwhelming information world with your persistence and intelligence. During the following months, you may experience a staggering start, enjoyable progress or even deeply frustration.

In this very first chapter, you will start a journey, swimming in the ocean of codes and data.

#MAC TERMINAL COMMANDS BOOKS +GITHUB INSTALL#

Setup virtualenv and install Jupyter Notebook.Execute an existing script interactively.Two basic modes: script and interactive.Modify the ex1.py file by a text editor.Bonus: Command return and command output.What is the function of the terminal on Mac？.Week 01: Terminal, Python, Jupyter Notebook.

Mac terminal commands books +github