New to Linux? Need a good beginner book to be your companion?
The Linux Command Line by “William E. Shotts, Jr.” , that’s the book you need to get.
The book’s 522 pages will familiarize you to the command line and the many commands that you will use in the future.
Download the free PDF (CC) here or buy the printed or e-formats through No Starch Press.
Source: http://linuxcommand.org/tlcl.php