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+Git Basics (commit, diff, branches)
+1. echo 1 > abc.txt
+2. Red
+3. git add abc.txt (green color). git commit -m "add 1 to abc.txt commit"
+4. echo 2 >> abc.txt
+5. Blue
+6. git diff main
+7. It's no git commit yet.
+8. no branch named 'stage2'.
+9. git add abc.txt
+10.doesn't print anything
+11. git diff --cached. Shows the changes between the index and the HEAD\main
+12. echo 3 >> abc.txt
+13. NO.
+14. first  after commit (green). second in the working tree (red)
+15. git reset
+
+Resolve conflicts
+1. git branch
+    bugfix/fix_readme_typo
+    bugfix/open_kibana_port
+    dev
+    feature/data_retention_policy
+    feature/elasticsearch_helm_chart
+    feature/lambda_migration  (my new branch)
+    feature/upgrade_angular_version
+    feature/version1
+    feature/version2
+6. YES.
+
+Cherry picking
+4. two files
+    a. config.json   b. .env
+5. YES . If we  go back to  older commit the new one will not be available.
+
+Changes in working tree and switch branches
+2. echo take it > take.txt
+3. git add take.txt
+4. git checkout dev
+	error: Your local changes to the following files would be overwritten by checkout:
+        take.txt
+	Please commit your changes or stash them before you switch branches.
+	Aborting
+5. No. There is  "a b c"
+6. git checkout feature/lambda_migration2
+    no file take.txt.
+    Force Checkout overwrites uncommited changes
+
+
+
+
+Reset
+2.1. git reset --soft HEAD~1 - Removes last commit and keeps changes on Index.
+2.2. git reset --mixed HEAD~1 - Similar to 'soft' but doesn't keep chamges on Index.
+2.3. git reset --hard HEAD~1 - Remove all uncomitted and untrackked files.
+2.4. git revert HEAD~1 - Revert changes.
+
+3. HEAD~1 - Moving back in generations linear.
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