CMD LINE
    vim -o/O *.cpp      Open all files in H/V splits

NORMAL MODE
    I               Start inserting at the beginning of the line
    <C-W>[HJKL]     Move split to extreme left, bottom, top, right

COMMAND
    :botright split / :bo sp    Full width sp across multiple vs
    :topleft vsplit / :to vs    Full height vs across multiple sp

#TODO: bring tricks from vimrc