#Tip41: Open a File by Its Filepath Using :edit
##:edit
open files by an absolute or a relative filepath.
Open a File Relative to the Current Working Directory
##:pwd
print working directory.
##:edit relative/path/file.ext
tab: autocomplete filepath.
Open a File Relative to the Active File Directory
##:edit %<Tab>
%: shorthand for the filepath of the active buffer.
Tab: expand the filepath.
##:edit %:h<Tab>
:h : remove the filename while preserving the rest of the path.