Understanding version control concepts

So what do you get from Version Control software?…All Version Control systems provide four important features: peace of mind, every time you make…an update and store it in source code control, your files are backed up; history, not only…are the contents of your files backed up, the actual changes you made and your comments…about why you made them are also captured so that when you come back 3 months from…now, you can easily see what you changed, and you can remember exactly why you did it.…This is because each change is accompanied by a short message which after a bit of practice,…you will be the master of composing in a terse, pithy, brief, succinct, compact, and to the point style;…friction-free undo, this means you can easily move back to a previous version.…

In some Version Control systems, this is done on a file-by-file basis, and in some the…whole directory tree can be restored; and fearless experimentation, in addition to creating…an automatic backup of your source code, you can also create a sandbox in which you can…