#aliases and funtions to act like them
function less() {
         command less -M "$@"
}
function ll() {
         command ls -lFh "$@"
}
function ls() {
         command ls -F "$@"
}
function la() {
         command ls -aF "$@"
}
function lla() {
         command ls -laFh "$@"
}
function screen() {
         command screen -U "$@"
}
function ipy() {
         command ipython "$@"
}
function memacs() {
         command open -a Emacs "$@"
}