`cp` for filesystem

Copy files.

Signature

> cp (source) (destination) --recursive --verbose --update --interactive --no-symlink --progress

source: the place to copy from
destination: the place to copy to
--recursive (-r): copy recursively through subdirectories
--verbose (-v): show successful copies in addition to failed copies (default:false)
--update (-u): copy only when the SOURCE file is newer than the destination file or when the destination file is missing
--interactive (-i): ask user to confirm action
--no-symlink (-n): no symbolic links are followed, only works if -r is active
--progress (-p): enable progress bar

input	output
nothing	nothing

Copy myfile to dir_b

> cp myfile dir_b

Recursively copy dir_a to dir_b

> cp -r dir_a dir_b

Recursively copy dir_a to dir_b, and print the feedbacks

> cp -r -v dir_a dir_b

Move many files into a directory

> cp *.txt dir_a

Copy only if source file is newer than target file

> cp -u a b