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The Web Developers Essential Guide of Terminal Commands

Get the essential Mac Terminal Commands for use as a web developer.

Coming from a Graphic Designer background has meant that most of my professional life I have used the mouse to get around and complete tasks.

Using the mouse as a coder comes at the cost. It is the time cost of task switching between the keyboard and the mouse. Each switch costs only microseconds but over the course of a career that can add up to months of wasted times.

The revelation of using the terminal to complete tasks and even to do a bit of light programming in the command line has saved me hundreds of hours that I can better use to balance the other elements in my life.

Using the GUI (Graphic User interface) is fast but the terminal is faster.

What follows is not meant to be a comprehensive list of terminal commands and there is a lot that I have left out on purpose purely so that you can just get rolling in the terminal.

Without further ado, here is my list of essential mac terminal commands.


Finding the terminal

To find the terminal hold down the ‘Command’ button and quickly press the ‘spacebar’. This will open the system wide search. A life saver in opening other applications and not just the terminal.

Type Terminal and hit enter.

You now have your terminal open.


Moving Around

Now lets start with the basics of moving around.

Where are You Or Print Working Directory

Type pwd and it will display your current working directory as something like /users/youruser/desktop.

What is in your directory or list

Type ls to list all the visible files and folders in the current directory.

Type ls -l to list all the visible files and folders in the current directory in a long format showing the file permissions.

Type ls -la to list all the files and folders including the hidden ones in the current directory in a long format showing the file permissions.

Changing locations or Change Directory.

Type cd directoryname to change to the folder/directory named in the current directory.

Type cd ../ to change to the parent folder/directory to your current location.

Type cd /users/youruser/ to change to another folder/directory using the full location.


Creating Files

Creating Empty Files 
Type touch file.html to create an empty file with the ‘html’ file extension in the current working directory.

You can write what ever file extension you like. If you’re developing, you should already be familar with file type extensions.

This can be really helpful when you are trying to setup the file structure of what you are developing but you are not yet ready to put the content into the files.

Creating Empty Files within New Directories

In the Current Directory
 Type touch foldername/file.html to create a new folder with a file inside it in one command.

Anywhere in the system Type touch /user/youruser/desktop/demo/file.html to create a new folder and file inside it anywhere in your system in one command.


Renaming and Moving Files

or move

Changing a File Name Type mv originalname.html newname.html to change the file name from one name to another.

Type mv originalname.html /newfolder/originalname.html to move the file from one location to another.


Deleting Files and Folders

or remove

Files

Deleting a Single File Type rm filename.html to remove a single file named in command.

Deleting all files by type Type rm *.html to remove all the .html files in the current directory.

Deleting all files starting with the same name Type rm samename*.* to remove all the file names that start with same name what ever the file type.

Deleting all the files starting with the same name by file type Type rm samename*.html to remove all the file names that start with the same name that are html files.

Folders

Deleting an Empty Folder Type rmdir foldername to remove an empty folder. If you have contents in that folder this command will fail, which leads to -

Deleting A Folder Containing Files Type rm -r foldername to remove a folder containing files.

Deleting Folders Containing Files Type rm -r foldernameone foldernametwo to remove the named folders and their containing files.


Bonus Round

Programming in the Terminal

Creating files with Content Type echo ‘your html code’>myfile.html to create a file with code you specify in the terminal command line.

Version 1.0 — Wed 26th of July 2017 — Initial creation

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