-Sam's Teach Yourself Shell Programming in 24 Hours
These won't make you a shell genius immediately, but they'll create a good basis for future, specialized learning.
Also, I try not to be a material snob, but buying the book instead of using a website or .pdf file made a world of a difference (especially during a morning commute).
-Sam's Teach Yourself Unix in 24 Hours
-Sam's Teach Yourself Shell Programming in 24 Hours
These won't make you a shell genius immediately, but they'll create a good basis for future, specialized learning.
Also, I try not to be a material snob, but buying the book instead of using a website or .pdf file made a world of a difference (especially during a morning commute).