git-sample.txt

ajmalaju@5570:~$ mkdir git-work
ajmalaju@5570:~$ cd git-work
ajmalaju@5570:~/git-work$ git init
Initialized empty Git repository in /home/ajmalaju/git-work/.git/
ajmalaju@5570:~/git-work$ cat hello.txt
cat: hello.txt: No such file or directory
ajmalaju@5570:~/git-work$ nano hello.txt
ajmalaju@5570:~/git-work$ git status
On branch master

Initial commit

Untracked files:
  (use "git add <file>..." to include in what will be committed)

	hello.txt

nothing added to commit but untracked files present (use "git add" to track)
ajmalaju@5570:~/git-work$ git add *
ajmalaju@5570:~/git-work$ git commit -m "hi"
[master (root-commit) b680204] hi
 1 file changed, 1 insertion(+)
 create mode 100644 hello.txt
ajmalaju@5570:~/git-work$ nano hello.txt
ajmalaju@5570:~/git-work$ git status
On branch master
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)

	modified:   hello.txt

no changes added to commit (use "git add" and/or "git commit -a")
ajmalaju@5570:~/git-work$ git diff
diff --git a/hello.txt b/hello.txt
index 45b983b..f471c09 100644
--- a/hello.txt
+++ b/hello.txt
@@ -1 +1,2 @@
 hi
+hello
ajmalaju@5570:~/git-work$ rm hello.txt
ajmalaju@5570:~/git-work$ git status
On branch master
Changes not staged for commit:
  (use "git add/rm <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)

	deleted:    hello.txt

no changes added to commit (use "git add" and/or "git commit -a")
ajmalaju@5570:~/git-work$ git checkout -- hello.txt
ajmalaju@5570:~/git-work$ git status
On branch master
nothing to commit, working directory clean
ajmalaju@5570:~/git-work$ nano hello.txt
ajmalaju@5570:~/git-work$