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+## Term Definitions
+### Stages of a tracked file
+* Unmodified: The file is tracked, but it hasn't been modified since the last commit.
+* Modified: The file has been changed since the last commit, but these changes aren't yet staged for the next commit.
+* Staged: The file has been modified, and the changes have been added to the staging area (also known as the index). These changes are ready to be committed.
+* Committed: The file is in the repository's database. It represents the latest committed version of the file.  
+
+**pull request** - used to signal that the commits from a branch are ready to be merged to another branch. if approved, it is merged into the base branch.  
+
+
+
+## Universal
+`git status` check status of working tree  
+`git add` tell Git to start keeping trach of changes in certain files  
+`git log` see info about prev. commits  
+
+## Commits
+`git commit` save changes to a snapshot
+
+## Branches
+`git checkout - b <otherBranch>` | switch between branches, create new branches; "-b" creates and switches to the new branch  
+`git branch` to see what branch you are on  
+`git fetch origin` to see if local repo is up-to-date with remote repo  
+`git branch -d <branch name>` delete the branch  
+
+
+## Remotes
+
+## Stashing
+
+## Merging
+
+# Copilot
+**Ctrl+Shift+P** for command palette    
+Common **inline cmd** slash commands:
+- `/explain` - Provides an explanation of the selected code.
+- `/suggest` - Offers code suggestions based on the current context.
+- `/tests` - Generates unit tests for the selected function or class.
+- `/comment` - Converts comments into code snippets.
+
+### Comments to code
+You can describe the functionality that you want in a comment. When you select the `Enter` key, Copilot generates code based on your description.  <br><br>
+**Multiple Suggestions** - For complex code snippets, Copilot can offer multiple alternatives.  
+- When Copilot offers a suggestion, look for the light bulb icon.  
+- Select the icon or use `Alt+]` to cycle through alternatives.
+### Automated Test Generation
+* Select a function or class.
+* Use the command palette to select Copilot: Generate Unit Tests.
+* Review the test cases that Copilot suggests for your code.
+