The Linux Command Line Beginner's Guide Quotes

“When you use the Linux command line, you are almost certainly using a program called the bash shell.”
― Jonathan Moeller, The Linux Command Line Beginner's Guide

“The history of Linux is long and complex, but we can provide a quick overview here. During the late 1960s and 1970s, AT&T's Bell Labs developed the UNIX operating system. UNIX was a powerful operating system, and universities across the United States soon used it in their computer labs.”
― Jonathan Moeller, The Linux Command Line Beginner's Guide

“However, universities could not modify UNIX to suit their individual needs. AT&T retained rights to the source code, which prohibited any alteration of”
― Jonathan Moeller, The Linux Command Line Beginner's Guide

“Linux – the sh shell, the zsh shell, the c shell, and others.”
― Jonathan Moeller, The Linux Command Line Beginner's Guide