This function will fail when given an argument with a space, which would be quite frustrating for a beginner, which is presumably the target audience for such a document: > mcd() { mkdir -p $1; cd $1 } It should be more like: > mcd() { mkdir -p "$1"; cd "$1"; } The trailing ";" is also required in bash for oneline blocks like this. Same goes for most of the other functions on page 70. "$@", etc. Just trying to make t…
it probably makes sense to use "&&" instead of ";": if mkdir -p fails cd is still being executed.