Recursively copy a directory's contents to another location (if the destination exists, the directory is copied inside it)

Copy files and directories.
More information: <https://www.gnu.org/software/coreutils/cp>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

cp -r {{path/to/source_directory}} {{path/to/target_directory}}

click the source code to copy install cp on any operating system with command-not-found.com