See also

• For further information regarding Debian's packages management, you can surf the internet, but a good starting point is at https://wiki.debian.org/Apt, while regarding the compiling tools (gcc, make, and other GNU software), the best documentation is at https://www.gnu.org/software/.
• Then, the best place for better documentation about git is at https://git-scm.com/book/en/v2, where the wonderful book Pro Git is available online!