Management System Command Line Tool for Source Code Change History Management [Closed]

Let's look at the question sentence from the beginning.

There are many management systems where developers manage source code change history, but they need a corresponding client.List one famous command-line tool available for Linux

The first thing that gets stuck is

Management system for managing source code change history

Is that so? Then let's search for the above keywords using your favorite web search engine.
You should be able to know the generic name of these management systems.

Now, let's read the first part of the question sentence again from the beginning.

There are many management systems where developers manage source code change history, but it requires enabled clients.

If you did a web search a while ago, you might have noticed the names of several management systems.
It seems that you need a corresponding client to use those systems.

If you don't know what the client refers to, try searching the web.
It is explained in the weblio dictionary, e-Words, Wikipedia, etc.
I don't know if it's something like this is enough now.

Now, let's move on to the second part of the question sentence.

Please list one famous command-line tool available for Linux.

I think I emphasized the difficulty of interpretation at first, but the command line tool right after this may be unfamiliar words.
If you find words you don't understand, try searching the web....do you understand it somehow?

Now, I'm a little off the subject.
In the first place, the search results of the web search engine are basically frequently viewed and popular pages.
In other words, The first search result (if the keyword is correct) is the famous page. page.

Based on the above, try searching the web using the and linux keywords for the management system that manages the change history of the source code.
You should see the names of some of the management systems. Think they're all famous

After that, you should be able to find answers to the problem statement by searching the web using the name and how-to keywords for that management system.

Lastly, I don't know the intention of the question sentence because I'm not the one who asked the question, but do you want me to understand that there is a management system like this and use it like this?I personally felt that