How to Copy directory in Linux

Here is the command in Linux or Mac (in Terminal) that will make one directory to be copied into another:

cp -r one_directory other_directory.

Important add is the argument -r


Check this link about copy command in Linux.

VIM on Mac

When someone first trying VIM editor he will wondering how to finish VIM :) Here is how to do it.

HOW to save and close VIM on Mac:
Type only two characters: ZZ


Check this link for further instruction about commands of VIM.