Shells in General
The shell is a program that executes within the LINUX/UNIX environment.
Although it appears to be a part of the OS, it is actually a separate application
that runs 'on top of' the operating system. Its main purpose is to provide
What is UNIX?
UNIX is a computer operating system. Designed in the late 60's, it has
become one of the most powerful operating systems for controlling today's
modern workstations, servers and even PCs. It has proven to be a stable,