ASSIGNMENT-04-09-2025.md

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+## Part 1: Viewing File History
+
+## git log -- filename.extension
+
+![.git log -- example.txt](git-log--.png)
+
+## git log -p -- filename.extension
+
+![git log -p](git_log_p_example.txt.png)
+
+## git log --oneline -- filename.extension
+
+![git log --oneline](git_log_oneline_example.txt.png)
+
+---
+
+How many commits modified this file?
+3
+
+What differences do you see when adding the -p option?
+It describes what changed — which lines were added (+), which lines were removed (−)
+
+---
+
+## Part 2: Viewing File History with Blame
+
+## git blame -- filename.extension
+
+![.git blame -- assignment.txt](git_blame_example.txt.png)
+
+## git blame -L 1,5 -- filename.extension
+
+![git blame -L 1,5](git_blame_L_1_5_example.png)
+
+## git blame -e -- filename.extension
+
+![git blame -e](git_blame_e_example.png)
+
+---
+
+Who changed each line of the file?
+Arjun,Renejit, Arjun, Arjun
+ec0f5f8e (Arjun G 2025-09-10 23:41:01 +0530 1) Tech Thursday assignment 3 updated
+ae37ccf5 (Renejit 2025-09-10 16:29:53 +0530 2) date 10-09-2025
+f97b76b3 (Arjun G 2025-09-11 00:00:58 +0530 3) wednesday
+dc7fc330 (Arjun G 2025-09-11 00:01:50 +0530 4) Practise session extended to Thursday
+
+How does -L help when the file is large?
+Limits the blame output to just a range of lines when the file is large.
+
+What extra information does -e provide?
+Author email
+
+---
+
+## Part 3: Merging Branches
+
+## git checkout -b feature/feature-1
+
+![git checkout -b feature/feature-1](git_checkout_feature_blame.png)
+
+## git merge feature/feature-1
+
+![git merge feature/feature-1](git_merge_main.png)
+
+## git log --graph --oneline --all
+
+![git log --graph --oneline --all](git_log_after_merge.png)
+
+---
+
+Did Git perform a fast-forward merge or a 3-way merge?
+3 way merge
+
+What does git log --graph --oneline --all show after the merge?
+shows a merge commit (06f4ad1) at the top.
+The graph shows two diverging branches (main & feature/feature-1) and how they were joined together.
+main now contains all changes from both histories.
+