Last week I focused on:
- Expanding my knowledge of the command line interface (CLI)
- Learning the basics of git.
If you use a Mac computer, accessing the CLI is easy. First you have to activate your terminal.
- Press Command + Spacebar: This brings up spotlight search
- Type the word Terminal into the search bar
- Press Enter
It is easy as 1-2-3 and now you are ready to learn how to use your CLI to navigate through your computer’s file structure. Once you are ready, I recommend the following YouTube videos:
Last week I worked through the Command Line Basics video #3 which is all about file permission and ownership. Basically I learned to tell who owns a file and what they are allowed to do with that file (or directory.) This video taught me the following commands:
- chmod– allows you to change the permission on a file or directory
- chown– allows you to change the ownership of a file or directory
- sudo– allows you to temporarily elevate your own authorization on the command line
After strengthening my command line chops, I focused exclusively on learning the basics of git.
Git is difficult to explain, but I love a challenge.
Imagine that there are many programmers on a team working collaboratively on a website. They need a way to make individual changes to the site without stepping on each other’s toes. They also need a way to monitor the history of all the changes that were made to the site overtime. Finally they need a way to access each other’s code to make improvements. Git does all of that effortlessly. It is a distributed version control system. Which means that it exists to help programmers manage the many different versions of a project that they accumulate over time. Nothing is lost with git, rather a snapshot of each step of the project is saved in a repository that the programmers can access at anytime.
To learn more about Git, I recommend the following resource:
- Getting Started About Version Control– This is rather long book. Just read the first chapter. It will introduce you to the structure of git, the workflow, and basic commands.
- Try Git – this is a free course from codeschool. I have to warn you though, you will get addicted like me and end up paying the $29 a month to access the rest of the code school lessons on Git and more. I am crazy about code school. It is really a great resource.
So far, I have learned the following commands in Git:
- git init: this creates a local repository for my files
- git status: I type this one all the time. It helps me know what is going on with my files
- git add: This adds a file to the “staging area.”
- git commit –m: This actually commits my file to the repository and adds it to the overall timeline
- git log: shows a record of my commits
That was a lot of ground to cover in one week. Next week I plan to delve even deeper in to Git. I will be starting Git Level 2 on the code school website. Check back next week to see what I learned in level 2!